44 lines
817 B
Rust
44 lines
817 B
Rust
fn call() -> i32 {
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fn increment(x: i32) -> i32 {
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x + 1
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}
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increment(1)
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}
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fn factorial_recursive() -> i64 {
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fn fact(n: i64) -> i64 {
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if n == 0 { 1 } else { n * fact(n - 1) }
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}
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fact(10)
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}
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fn call_generic() -> (i16, bool) {
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fn id<T>(t: T) -> T {
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t
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}
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(id(42), id(true))
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}
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// Test calling a very simple function from the standard library.
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fn cross_crate_fn_call() -> i64 {
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if 1i32.is_positive() { 1 } else { 0 }
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}
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const fn foo(i: i64) -> i64 {
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*&i + 1
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}
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fn const_fn_call() -> i64 {
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let x = 5 + foo(5);
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assert_eq!(x, 11);
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x
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}
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fn main() {
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assert_eq!(call(), 2);
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assert_eq!(factorial_recursive(), 3628800);
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assert_eq!(call_generic(), (42, true));
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assert_eq!(cross_crate_fn_call(), 1);
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assert_eq!(const_fn_call(), 11);
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}
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