47 lines
815 B
Rust
47 lines
815 B
Rust
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// Some non-controversial subset of ambiguities "modern macro name" vs "macro_rules"
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// is disambiguated to mitigate regressions from macro modularization.
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// Scoping for `macro_rules` behaves like scoping for `let` at module level, in general.
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#![feature(decl_macro)]
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fn same_unnamed_mod() {
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macro m() { 0 }
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macro_rules! m { () => (()) }
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m!() // OK
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}
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fn nested_unnamed_mod() {
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macro m() { 0 }
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{
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macro_rules! m { () => (()) }
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m!() // OK
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}
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}
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fn nested_unnamed_mod_fail() {
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macro_rules! m { () => (()) }
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{
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macro m() { 0 }
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m!() //~ ERROR `m` is ambiguous
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}
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}
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fn nexted_named_mod_fail() {
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macro m() { 0 }
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#[macro_use]
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mod inner {
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macro_rules! m { () => (()) }
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}
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m!() //~ ERROR `m` is ambiguous
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}
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fn main() {}
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