41 lines
778 B
Rust
41 lines
778 B
Rust
#![allow(unused_macros)]
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mod macros_cant_escape_fns {
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fn f() {
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macro_rules! m { () => { 3 + 4 } }
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}
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fn g() -> i32 { m!() }
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//~^ ERROR cannot find macro
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}
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mod macros_cant_escape_mods {
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mod f {
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macro_rules! m { () => { 3 + 4 } }
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}
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fn g() -> i32 { m!() }
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//~^ ERROR cannot find macro
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}
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mod macros_can_escape_flattened_mods_test {
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#[macro_use]
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mod f {
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macro_rules! m { () => { 3 + 4 } }
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}
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fn g() -> i32 { m!() }
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}
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fn macro_tokens_should_match() {
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macro_rules! m { (a) => { 13 } }
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m!(a);
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}
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// should be able to use a bound identifier as a literal in a macro definition:
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fn self_macro_parsing() {
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macro_rules! foo { (zz) => { 287; } }
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fn f(zz: i32) {
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foo!(zz);
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}
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}
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fn main() {}
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