Logical operations: Difference between revisions
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imported>Tromp logical operations in BLC |
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=={{header|langur}}== |
=={{header|langur}}== |
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The logical operators in langur compare the "truthiness" of the left and right operands and do not require Booleans |
The logical operators in langur compare the "truthiness" of the left and right operands and do not require Booleans. |
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The operators and, or, nand, nor, and?, or?, nand?, nor?, xor?, and nxor? are short-circuiting. |
The operators and, or, nand, nor, and?, or?, nand?, nor?, xor?, and nxor? are short-circuiting. |
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Operators that end with ? are null propagating or "database" operators, and will return null if either operand is null. They short-circuit differently than normal operators (only if the left operand is null). |
Operators that end with ? are null propagating or "database" operators, and will return null if either operand is null. They short-circuit differently than normal operators (only if the left operand is null). |
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<syntaxhighlight lang="langur">val .test = |
<syntaxhighlight lang="langur">val .test = fn(.a, .b) join("\n", [ |
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$"not \.a;: \{not .a}", |
$"not \.a;: \{not .a}", |
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$"\.a; and \.b;: \.a and .b;", |
$"\.a; and \.b;: \.a and .b;", |
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