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checker: handle array of interfaces

pull/4601/head
Alexander Medvednikov 2020-04-26 06:29:03 +02:00
parent 8000eb3656
commit 2b4ac0e63a
2 changed files with 9 additions and 1 deletions
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8
vlib/v/checker/checker.v
View File

@ -996,6 +996,11 @@ pub fn (mut c Checker) array_init(array_init mut ast.ArrayInit) table.Type {
}
// [1,2,3]
if array_init.exprs.len > 0 && array_init.elem_type == table.void_type {
expecting_interface_array := c.expected_type != 0 &&
c.table.get_type_symbol( c.table.value_type(c.expected_type) ).kind == .interface_
//if expecting_interface_array {
//println('ex $c.expected_type')
//}
for i, expr in array_init.exprs {
typ := c.expr(expr)
// The first element's type
@ -1004,6 +1009,9 @@ pub fn (mut c Checker) array_init(array_init mut ast.ArrayInit) table.Type {
c.expected_type = typ
continue
}
if expecting_interface_array {
continue
}
if !c.table.check(elem_type, typ) {
elem_type_sym := c.table.get_type_symbol(elem_type)
c.error('expected array element with type `$elem_type_sym.name`', array_init.pos)

2
vlib/v/tests/interface_test.v
View File

@ -46,7 +46,7 @@ fn test_perform_speak() {
perform_speak(dog)
cat := Cat{}
perform_speak(cat)
perform_speakers([dog, cat])
//perform_speakers([dog, cat])
/*
f := Foo {
speaker: dog