7 lines
271 B
Nix
7 lines
271 B
Nix
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# Checks that the nul value for the accumulator is not forced unconditionally.
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# Some languages provide a foldl' that is strict in this argument, but Nix does not.
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builtins.foldl'
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(_: x: x)
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(throw "This is never forced")
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[ "but the results of applying op are" 42 ]
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