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negative sign matching in mbe matching for literal

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This commit is contained in:
Edwin Cheng 2020-12-11 17:59:04 +08:00
parent 41321d9678
commit 175229ab3d
2 changed files with 39 additions and 6 deletions
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13
crates/mbe/src/tests.rs
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@ -1008,11 +1008,20 @@ fn test_literal() {
parse_macro(
r#"
macro_rules! foo {
($ type:ty $ lit:literal) => { const VALUE: $ type = $ lit;};
($ type:ty , $ lit:literal) => { const VALUE: $ type = $ lit;};
}
"#,
)
.assert_expand_items(r#"foo!(u8 0);"#, r#"const VALUE : u8 = 0 ;"#);
.assert_expand_items(r#"foo!(u8,0);"#, r#"const VALUE : u8 = 0 ;"#);
parse_macro(
r#"
macro_rules! foo {
($ type:ty , $ lit:literal) => { const VALUE: $ type = $ lit;};
}
"#,
)
.assert_expand_items(r#"foo!(i32,-1);"#, r#"const VALUE : i32 = - 1 ;"#);
}
#[test]