diff options
Diffstat (limited to 'src/tools/clippy/tests/ui-internal/interning_defined_symbol.rs')
-rw-r--r-- | src/tools/clippy/tests/ui-internal/interning_defined_symbol.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui-internal/interning_defined_symbol.rs b/src/tools/clippy/tests/ui-internal/interning_defined_symbol.rs new file mode 100644 index 000000000..7efebb8fa --- /dev/null +++ b/src/tools/clippy/tests/ui-internal/interning_defined_symbol.rs @@ -0,0 +1,37 @@ +// run-rustfix +#![deny(clippy::internal)] +#![allow(clippy::missing_clippy_version_attribute, clippy::let_unit_value)] +#![feature(rustc_private)] + +extern crate rustc_span; + +use rustc_span::symbol::Symbol; + +macro_rules! sym { + ($tt:tt) => { + rustc_span::symbol::Symbol::intern(stringify!($tt)) + }; +} + +fn main() { + // Direct use of Symbol::intern + let _ = Symbol::intern("f32"); + + // Using a sym macro + let _ = sym!(f32); + + // Correct suggestion when symbol isn't stringified constant name + let _ = Symbol::intern("proc-macro"); + + // interning a keyword + let _ = Symbol::intern("self"); + + // Interning a symbol that is not defined + let _ = Symbol::intern("xyz123"); + let _ = sym!(xyz123); + + // Using a different `intern` function + let _ = intern("f32"); +} + +fn intern(_: &str) {} |