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Added isEmptySet/isEmptyMap

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Dmitry Boulytchev 2021-03-24 18:51:25 +07:00
parent 8359b674f8
commit 849162aa92
4 changed files with 13 additions and 1 deletions
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8
stdlib/Collection.lama
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@ -214,6 +214,10 @@ public fun emptyMap (compare) {
[{}, compare]
}
public fun isEmptyMap ([l, _]) {
case l of {} -> true | _ -> false esac
}
public fun addMap (m, k, v) {
insertColl (m, k, v, Map)
}
@ -251,6 +255,10 @@ public fun emptySet (compare) {
[{}, compare]
}
public fun isEmptySet (s) {
isEmptyMap (s)
}
public fun addSet (s, v) {
insertColl (s, v, true, Set)
}