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Use builtin.null_list in both list and dict is_empty #128

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Use builtin.null_list in both list and dict is_empty #128

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5 changes: 1 addition & 4 deletions lib/aiken/collection/dict.ak
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Original file line number Diff line number Diff line change
Expand Up @@ -379,10 +379,7 @@ fn do_has_key(self: Pairs<ByteArray, value>, key k: ByteArray) -> Bool {
/// dict.is_empty(dict.empty) == True
/// ```
pub fn is_empty(self: Dict<key, value>) -> Bool {
when self.inner is {
[] -> True
_ -> False
}
builtin.null_list(self.inner)
}

/// Extract all the keys present in a given `Dict`.
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5 changes: 1 addition & 4 deletions lib/aiken/collection/list.ak
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Expand Up @@ -205,10 +205,7 @@ pub fn head(self: List<a>) -> Option<a> {
/// list.is_empty([1, 2, 3]) == False
/// ```
pub fn is_empty(self: List<a>) -> Bool {
when self is {
[] -> True
_ -> False
}
builtin.null_list(self)
}

/// Gets the index of an element of a list, if any. Otherwise, returns None.
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