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map: fixed deletion of non-existent keys

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This commit is contained in:
Amal Shaji 2019-10-30 22:49:59 +05:30 committed by Alexander Medvednikov
parent 5da3c49497
commit e8d34002e1
2 changed files with 6 additions and 2 deletions
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6
vlib/builtin/map.v
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@ -207,8 +207,10 @@ pub fn (n mut mapnode) delete(key string, element_size int) {
}
pub fn (m mut map) delete(key string) {
m.root.delete(key, m.element_size)
m.size--
if m.exists(key) {
m.root.delete(key, m.element_size)
m.size--
}
}
fn (m map) exists(key string) bool {

2
vlib/builtin/map_test.v
View File

@ -38,6 +38,8 @@ fn test_map() {
assert keys[1] == 'hello'
m.delete('hi')
assert m.size == 1
m.delete('aloha')
assert m.size == 1
assert m['hi'] == 0
assert m.keys().len == 1