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parser: fix generic fn with upper name type (#9460) (#9478)

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yuyi 2021-03-26 22:50:35 +08:00 committed by GitHub
parent 3220ab7053
commit 36cc4880a6
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2 changed files with 19 additions and 1 deletions
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2
vlib/v/parser/parser.v
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@ -1710,7 +1710,7 @@ pub fn (mut p Parser) parse_ident(language table.Language) ast.Ident {
}
fn (p &Parser) is_typename(t token.Token) bool {
return t.kind == .name && (t.lit.is_capital() || p.table.known_type(t.lit))
return t.kind == .name && (t.lit[0].is_capital() || p.table.known_type(t.lit))
}
// heuristics to detect `func<T>()` from `var < expr`

18
vlib/v/tests/generic_fn_upper_name_type_test.v Normal file
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@ -0,0 +1,18 @@
struct XX {
x int
}
struct YY {
y int
}
fn show_result<T, U>(x T, y U) bool {
return true
}
fn test_generic_fn_upper_name_type() {
assert show_result<int, bool>(1, false)
assert show_result<string, XX>( "s", XX{})
assert show_result< XX, string>(XX{}, "s")
assert show_result< XX, YY>(XX{}, YY{})
}