default_numeric_fallback: Add more tests for floating literal
This commit is contained in:
Yoshitomo Nakanishi
parent
3bc5abef62
commit
04aa3f7e9b
174
tests/ui/default_numeric_fallback_f64.rs
Normal file
174
tests/ui/default_numeric_fallback_f64.rs
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@ -0,0 +1,174 @@
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// aux-build:macro_rules.rs
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#![warn(clippy::default_numeric_fallback)]
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#![allow(unused)]
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#![allow(clippy::never_loop)]
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#![allow(clippy::no_effect)]
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#![allow(clippy::unnecessary_operation)]
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#![allow(clippy::branches_sharing_code)]
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#![allow(clippy::branches_sharing_code)]
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#![allow(clippy::match_single_binding)]
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#[macro_use]
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extern crate macro_rules;
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mod basic_expr {
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fn test() {
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// Should lint unsuffixed literals typed `f64`.
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let x = 0.12;
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let x = [1., 2., 3.];
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let x = if true { (1., 2.) } else { (3., 4.) };
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let x = match 1. {
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_ => 1.,
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};
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// Should NOT lint suffixed literals.
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let x = 0.12_f64;
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// Should NOT lint literals in init expr if `Local` has a type annotation.
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let x: f64 = 0.1;
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let x: [f64; 3] = [1., 2., 3.];
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let x: (f64, f64) = if true { (1., 2.) } else { (3., 4.) };
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let x: _ = 1.;
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}
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}
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mod nested_local {
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fn test() {
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let x: _ = {
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// Should lint this because this literal is not bound to any types.
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let y = 1.;
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// Should NOT lint this because this literal is bound to `_` of outer `Local`.
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1.
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};
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let x: _ = if true {
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// Should lint this because this literal is not bound to any types.
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let y = 1.;
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// Should NOT lint this because this literal is bound to `_` of outer `Local`.
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1.
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} else {
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// Should lint this because this literal is not bound to any types.
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let y = 1.;
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// Should NOT lint this because this literal is bound to `_` of outer `Local`.
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2.
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};
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}
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}
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mod function_def {
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fn ret_f64() -> f64 {
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// Even though the output type is specified,
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// this unsuffixed literal is linted to reduce heuristics and keep codebase simple.
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1.
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}
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fn test() {
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// Should lint this because return type is inferred to `f64` and NOT bound to a concrete
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// type.
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let f = || -> _ { 1. };
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// Even though the output type is specified,
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// this unsuffixed literal is linted to reduce heuristics and keep codebase simple.
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let f = || -> f64 { 1. };
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}
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}
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mod function_calls {
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fn concrete_arg(f: f64) {}
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fn generic_arg<T>(t: T) {}
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fn test() {
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// Should NOT lint this because the argument type is bound to a concrete type.
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concrete_arg(1.);
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// Should lint this because the argument type is inferred to `f64` and NOT bound to a concrete type.
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generic_arg(1.);
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// Should lint this because the argument type is inferred to `f64` and NOT bound to a concrete type.
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let x: _ = generic_arg(1.);
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}
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}
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mod struct_ctor {
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struct ConcreteStruct {
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x: f64,
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}
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struct GenericStruct<T> {
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x: T,
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}
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fn test() {
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// Should NOT lint this because the field type is bound to a concrete type.
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ConcreteStruct { x: 1. };
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// Should lint this because the field type is inferred to `f64` and NOT bound to a concrete type.
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GenericStruct { x: 1. };
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// Should lint this because the field type is inferred to `f64` and NOT bound to a concrete type.
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let _ = GenericStruct { x: 1. };
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}
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}
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mod enum_ctor {
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enum ConcreteEnum {
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X(f64),
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}
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enum GenericEnum<T> {
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X(T),
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}
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fn test() {
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// Should NOT lint this because the field type is bound to a concrete type.
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ConcreteEnum::X(1.);
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// Should lint this because the field type is inferred to `f64` and NOT bound to a concrete type.
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GenericEnum::X(1.);
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}
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}
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mod method_calls {
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struct StructForMethodCallTest {}
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impl StructForMethodCallTest {
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fn concrete_arg(&self, f: f64) {}
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fn generic_arg<T>(&self, t: T) {}
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}
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fn test() {
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let s = StructForMethodCallTest {};
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// Should NOT lint this because the argument type is bound to a concrete type.
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s.concrete_arg(1.);
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// Should lint this because the argument type is bound to a concrete type.
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s.generic_arg(1.);
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}
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}
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mod in_macro {
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macro_rules! internal_macro {
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() => {
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let x = 22.;
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};
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}
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// Should lint in internal macro.
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fn internal() {
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internal_macro!();
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}
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// Should NOT lint in external macro.
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fn external() {
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default_numeric_fallback!();
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}
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}
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fn main() {}
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147
tests/ui/default_numeric_fallback_f64.stderr
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147
tests/ui/default_numeric_fallback_f64.stderr
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@ -0,0 +1,147 @@
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:18:17
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LL | let x = 0.12;
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| ^^^^ help: consider adding suffix: `0.12_f64`
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= note: `-D clippy::default-numeric-fallback` implied by `-D warnings`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:19:18
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LL | let x = [1., 2., 3.];
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| ^^ help: consider adding suffix: `1._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:19:22
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LL | let x = [1., 2., 3.];
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| ^^ help: consider adding suffix: `2._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:19:26
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LL | let x = [1., 2., 3.];
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| ^^ help: consider adding suffix: `3._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:20:28
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LL | let x = if true { (1., 2.) } else { (3., 4.) };
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| ^^ help: consider adding suffix: `1._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:20:32
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LL | let x = if true { (1., 2.) } else { (3., 4.) };
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| ^^ help: consider adding suffix: `2._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:20:46
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LL | let x = if true { (1., 2.) } else { (3., 4.) };
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| ^^ help: consider adding suffix: `3._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:20:50
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LL | let x = if true { (1., 2.) } else { (3., 4.) };
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| ^^ help: consider adding suffix: `4._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:21:23
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LL | let x = match 1. {
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| ^^ help: consider adding suffix: `1._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:22:18
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LL | _ => 1.,
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| ^^ help: consider adding suffix: `1._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:40:21
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LL | let y = 1.;
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| ^^ help: consider adding suffix: `1._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:48:21
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LL | let y = 1.;
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| ^^ help: consider adding suffix: `1._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:54:21
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LL | let y = 1.;
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| ^^ help: consider adding suffix: `1._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:66:9
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LL | 1.
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| ^^ help: consider adding suffix: `1._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:72:27
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LL | let f = || -> _ { 1. };
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| ^^ help: consider adding suffix: `1._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:76:29
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LL | let f = || -> f64 { 1. };
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| ^^ help: consider adding suffix: `1._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:90:21
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LL | generic_arg(1.);
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| ^^ help: consider adding suffix: `1._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:93:32
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LL | let x: _ = generic_arg(1.);
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| ^^ help: consider adding suffix: `1._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:111:28
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LL | GenericStruct { x: 1. };
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| ^^ help: consider adding suffix: `1._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:114:36
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LL | let _ = GenericStruct { x: 1. };
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| ^^ help: consider adding suffix: `1._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:132:24
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LL | GenericEnum::X(1.);
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| ^^ help: consider adding suffix: `1._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:152:23
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LL | s.generic_arg(1.);
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| ^^ help: consider adding suffix: `1._f64`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback_f64.rs:159:21
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LL | let x = 22.;
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| ^^^ help: consider adding suffix: `22._f64`
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...
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LL | internal_macro!();
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| ------------------ in this macro invocation
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= note: this error originates in the macro `internal_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: aborting due to 23 previous errors
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@ -21,15 +21,10 @@ mod basic_expr {
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_ => 2,
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};
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// Should lint unsuffixed literals typed `f64`.
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let x = 0.12;
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// Should NOT lint suffixed literals.
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let x = 22_i32;
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let x = 0.12_f64;
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// Should NOT lint literals in init expr if `Local` has a type annotation.
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let x: f64 = 0.1;
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let x: [i32; 3] = [1, 2, 3];
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let x: (i32, i32) = if true { (1, 2) } else { (3, 4) };
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let x: _ = 1;
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@ -81,25 +76,17 @@ mod function_def {
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}
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mod function_calls {
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fn concrete_arg_i32(x: i32) {}
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fn concrete_arg_f64(f: f64) {}
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fn concrete_arg(x: i32) {}
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fn generic_arg<T>(t: T) {}
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fn test() {
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// Should NOT lint this because the argument type is bound to a concrete type.
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concrete_arg_i32(1);
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// Should NOT lint this because the argument type is bound to a concrete type.
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concrete_arg_f64(1.);
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concrete_arg(1);
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// Should lint this because the argument type is inferred to `i32` and NOT bound to a concrete type.
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generic_arg(1);
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// Should lint this because the argument type is inferred to `f32` and NOT bound to a concrete type.
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generic_arg(1.0);
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// Should lint this because the argument type is inferred to `i32` and NOT bound to a concrete type.
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let x: _ = generic_arg(1);
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}
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@ -129,7 +116,6 @@ mod struct_ctor {
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mod enum_ctor {
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enum ConcreteEnum {
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X(i32),
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Y(f64),
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}
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enum GenericEnum<T> {
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@ -140,14 +126,8 @@ mod enum_ctor {
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// Should NOT lint this because the field type is bound to a concrete type.
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ConcreteEnum::X(1);
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// Should NOT lint this because the field type is bound to a concrete type.
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ConcreteEnum::Y(1.);
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// Should lint this because the field type is inferred to `i32` and NOT bound to a concrete type.
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GenericEnum::X(1);
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// Should lint this because the field type is inferred to `f64` and NOT bound to a concrete type.
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GenericEnum::X(1.);
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}
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}
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@ -1,5 +1,5 @@
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback.rs:16:17
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--> $DIR/default_numeric_fallback_i32.rs:16:17
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LL | let x = 22;
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| ^^ help: consider adding suffix: `22_i32`
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@ -7,163 +7,145 @@ LL | let x = 22;
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= note: `-D clippy::default-numeric-fallback` implied by `-D warnings`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback.rs:17:18
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--> $DIR/default_numeric_fallback_i32.rs:17:18
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LL | let x = [1, 2, 3];
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| ^ help: consider adding suffix: `1_i32`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback.rs:17:21
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--> $DIR/default_numeric_fallback_i32.rs:17:21
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LL | let x = [1, 2, 3];
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| ^ help: consider adding suffix: `2_i32`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback.rs:17:24
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--> $DIR/default_numeric_fallback_i32.rs:17:24
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LL | let x = [1, 2, 3];
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| ^ help: consider adding suffix: `3_i32`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback.rs:18:28
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--> $DIR/default_numeric_fallback_i32.rs:18:28
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LL | let x = if true { (1, 2) } else { (3, 4) };
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| ^ help: consider adding suffix: `1_i32`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback.rs:18:31
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--> $DIR/default_numeric_fallback_i32.rs:18:31
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LL | let x = if true { (1, 2) } else { (3, 4) };
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| ^ help: consider adding suffix: `2_i32`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback.rs:18:44
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--> $DIR/default_numeric_fallback_i32.rs:18:44
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LL | let x = if true { (1, 2) } else { (3, 4) };
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| ^ help: consider adding suffix: `3_i32`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback.rs:18:47
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--> $DIR/default_numeric_fallback_i32.rs:18:47
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LL | let x = if true { (1, 2) } else { (3, 4) };
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| ^ help: consider adding suffix: `4_i32`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback.rs:19:23
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--> $DIR/default_numeric_fallback_i32.rs:19:23
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LL | let x = match 1 {
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| ^ help: consider adding suffix: `1_i32`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback.rs:20:13
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--> $DIR/default_numeric_fallback_i32.rs:20:13
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LL | 1 => 1,
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| ^ help: consider adding suffix: `1_i32`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback.rs:20:18
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--> $DIR/default_numeric_fallback_i32.rs:20:18
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LL | 1 => 1,
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| ^ help: consider adding suffix: `1_i32`
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error: default numeric fallback might occur
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--> $DIR/default_numeric_fallback.rs:21:18
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--> $DIR/default_numeric_fallback_i32.rs:21:18
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LL | _ => 2,
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| ^ help: consider adding suffix: `2_i32`
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||||
|
||||
error: default numeric fallback might occur
|
||||
--> $DIR/default_numeric_fallback.rs:25:17
|
||||
|
|
||||
LL | let x = 0.12;
|
||||
| ^^^^ help: consider adding suffix: `0.12_f64`
|
||||
|
||||
error: default numeric fallback might occur
|
||||
--> $DIR/default_numeric_fallback.rs:43:21
|
||||
--> $DIR/default_numeric_fallback_i32.rs:38:21
|
||||
|
|
||||
LL | let y = 1;
|
||||
| ^ help: consider adding suffix: `1_i32`
|
||||
|
||||
error: default numeric fallback might occur
|
||||
--> $DIR/default_numeric_fallback.rs:51:21
|
||||
--> $DIR/default_numeric_fallback_i32.rs:46:21
|
||||
|
|
||||
LL | let y = 1;
|
||||
| ^ help: consider adding suffix: `1_i32`
|
||||
|
||||
error: default numeric fallback might occur
|
||||
--> $DIR/default_numeric_fallback.rs:57:21
|
||||
--> $DIR/default_numeric_fallback_i32.rs:52:21
|
||||
|
|
||||
LL | let y = 1;
|
||||
| ^ help: consider adding suffix: `1_i32`
|
||||
|
||||
error: default numeric fallback might occur
|
||||
--> $DIR/default_numeric_fallback.rs:69:9
|
||||
--> $DIR/default_numeric_fallback_i32.rs:64:9
|
||||
|
|
||||
LL | 1
|
||||
| ^ help: consider adding suffix: `1_i32`
|
||||
|
||||
error: default numeric fallback might occur
|
||||
--> $DIR/default_numeric_fallback.rs:75:27
|
||||
--> $DIR/default_numeric_fallback_i32.rs:70:27
|
||||
|
|
||||
LL | let f = || -> _ { 1 };
|
||||
| ^ help: consider adding suffix: `1_i32`
|
||||
|
||||
error: default numeric fallback might occur
|
||||
--> $DIR/default_numeric_fallback.rs:79:29
|
||||
--> $DIR/default_numeric_fallback_i32.rs:74:29
|
||||
|
|
||||
LL | let f = || -> i32 { 1 };
|
||||
| ^ help: consider adding suffix: `1_i32`
|
||||
|
||||
error: default numeric fallback might occur
|
||||
--> $DIR/default_numeric_fallback.rs:98:21
|
||||
--> $DIR/default_numeric_fallback_i32.rs:88:21
|
||||
|
|
||||
LL | generic_arg(1);
|
||||
| ^ help: consider adding suffix: `1_i32`
|
||||
|
||||
error: default numeric fallback might occur
|
||||
--> $DIR/default_numeric_fallback.rs:101:21
|
||||
|
|
||||
LL | generic_arg(1.0);
|
||||
| ^^^ help: consider adding suffix: `1.0_f64`
|
||||
|
||||
error: default numeric fallback might occur
|
||||
--> $DIR/default_numeric_fallback.rs:104:32
|
||||
--> $DIR/default_numeric_fallback_i32.rs:91:32
|
||||
|
|
||||
LL | let x: _ = generic_arg(1);
|
||||
| ^ help: consider adding suffix: `1_i32`
|
||||
|
||||
error: default numeric fallback might occur
|
||||
--> $DIR/default_numeric_fallback.rs:122:28
|
||||
--> $DIR/default_numeric_fallback_i32.rs:109:28
|
||||
|
|
||||
LL | GenericStruct { x: 1 };
|
||||
| ^ help: consider adding suffix: `1_i32`
|
||||
|
||||
error: default numeric fallback might occur
|
||||
--> $DIR/default_numeric_fallback.rs:125:36
|
||||
--> $DIR/default_numeric_fallback_i32.rs:112:36
|
||||
|
|
||||
LL | let _ = GenericStruct { x: 1 };
|
||||
| ^ help: consider adding suffix: `1_i32`
|
||||
|
||||
error: default numeric fallback might occur
|
||||
--> $DIR/default_numeric_fallback.rs:147:24
|
||||
--> $DIR/default_numeric_fallback_i32.rs:130:24
|
||||
|
|
||||
LL | GenericEnum::X(1);
|
||||
| ^ help: consider adding suffix: `1_i32`
|
||||
|
||||
error: default numeric fallback might occur
|
||||
--> $DIR/default_numeric_fallback.rs:150:24
|
||||
|
|
||||
LL | GenericEnum::X(1.);
|
||||
| ^^ help: consider adding suffix: `1._f64`
|
||||
|
||||
error: default numeric fallback might occur
|
||||
--> $DIR/default_numeric_fallback.rs:170:23
|
||||
--> $DIR/default_numeric_fallback_i32.rs:150:23
|
||||
|
|
||||
LL | s.generic_arg(1);
|
||||
| ^ help: consider adding suffix: `1_i32`
|
||||
|
||||
error: default numeric fallback might occur
|
||||
--> $DIR/default_numeric_fallback.rs:177:21
|
||||
--> $DIR/default_numeric_fallback_i32.rs:157:21
|
||||
|
|
||||
LL | let x = 22;
|
||||
| ^^ help: consider adding suffix: `22_i32`
|
||||
@ -173,5 +155,5 @@ LL | internal_macro!();
|
||||
|
|
||||
= note: this error originates in the macro `internal_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
|
||||
|
||||
error: aborting due to 28 previous errors
|
||||
error: aborting due to 25 previous errors
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user