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 KASH3 Reference Manual
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Function

DryReplace ( dry D, any source, any target ) -> dry

Description

Return the dry derived from replacing the element `source' in `D' by `target'.
If `source' is in `D' it is removed and `target' is added such that the result stays a dry.
If `source' is not in `D' then `D' is returned as is. No error is raised in this case.
Note: Technically this is nothing but
if source in D then DryAdd(DryRemove(D,source),target); else D; fi;
but it is more efficient since the dry need not be resized.

See also

DryReplaceOrAdd ( dry, any, any ) -> dry

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