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checker: fix error for array of sumtype appending literal value (#14200)

yuyi 2022-04-28 13:44:30 +08:00 committed by Jef Roosens
parent bf75a873b5
commit 47c18c4570
Signed by: Jef Roosens
GPG Key ID: B75D4F293C7052DB
2 changed files with 22 additions and 2 deletions
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4
vlib/v/checker/checker.v
View File

@ -935,13 +935,13 @@ pub fn (mut c Checker) infix_expr(mut node ast.InfixExpr) ast.Type {
return ast.void_type return ast.void_type
} else if left_value_sym.kind == .sum_type { } else if left_value_sym.kind == .sum_type {
if right_final.kind != .array { if right_final.kind != .array {
if !c.table.is_sumtype_or_in_variant(left_value_type, right_type) { if !c.table.is_sumtype_or_in_variant(left_value_type, ast.mktyp(right_type)) {
c.error('cannot append `$right_sym.name` to `$left_sym.name`', c.error('cannot append `$right_sym.name` to `$left_sym.name`',
right_pos) right_pos)
} }
} else { } else {
right_value_type := c.table.value_type(right_type) right_value_type := c.table.value_type(right_type)
if !c.table.is_sumtype_or_in_variant(left_value_type, right_value_type) { if !c.table.is_sumtype_or_in_variant(left_value_type, ast.mktyp(right_value_type)) {
c.error('cannot append `$right_sym.name` to `$left_sym.name`', c.error('cannot append `$right_sym.name` to `$left_sym.name`',
right_pos) right_pos)
} }

20
vlib/v/tests/array_of_sumtype_append_literal_type_test.v 100644
View File

@ -0,0 +1,20 @@
type Typ_var = f64 | int
fn test_array_of_sumtype_append_literal_type() {
mut arr := []Typ_var{}
// literal int/float type error
arr << 123
arr << 1.23
// cast/wrap in type
arr << int(123)
arr << f64(1.23)
arr << Typ_var(456)
arr << Typ_var(4.56)
println(arr)
assert arr[0] == Typ_var(123)
assert arr[1] == Typ_var(1.23)
}