Logical operations: Difference between revisions
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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 = fn(.a, .b) |
<syntaxhighlight lang="langur">val .test = fn(.a, .b) { |
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join("\n", [ |
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| ⚫ | |||
$"\.a; |
$"not \.a;: \{not .a}", |
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$"\.a; |
$"\.a; and \.b;: \.a and .b;", |
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$"\.a; nand \.b;: \.a nand .b;", |
$"\.a; nand \.b;: \.a nand .b;", |
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$"\.a; |
$"\.a; or \.b;: \.a or .b;", |
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$"\.a; |
$"\.a; nor \.b;: \.a nor .b;", |
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$"\.a; |
$"\.a; xor \.b;: \.a xor .b;", |
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| ⚫ | |||
"", |
"", |
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$"not? \.a;: \{not? .a}", |
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$" |
$"not? \.a;: \{not? .a}", |
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$"\.a; |
$"\.a; and? \.b;: \.a and? .b;", |
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$"\.a; nand? \.b;: \.a nand? .b;", |
$"\.a; nand? \.b;: \.a nand? .b;", |
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$"\.a; |
$"\.a; or? \.b;: \.a or? .b;", |
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$"\.a; |
$"\.a; nor? \.b;: \.a nor? .b;", |
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$"\.a; |
$"\.a; xor? \.b;: \.a xor? .b;", |
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"\ |
$"\.a; nxor? \.b;: \.a nxor? .b;", |
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"\n", |
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]) |
]) |
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} |
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val .tests = [ |
val .tests = [ |
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