Results for “cr”
Small, practical examples. Search by task or narrow things down below.
Use a fallback for an unset variable
Bash Scripts: Use a fallback for an unset variable with a small standalone Bash program.
Bash Scripts✓ Tested
Use a function’s exit status as a boolean result
Bash Scripts: Return zero for success and test the function directly in a conditional.
Bash Scripts✓ Tested
Use a recursive function for a bounded calculation
Bash Scripts: A recursive factorial demonstrates local variables and a clear base case.
Bash Scripts✓ Tested
Use an alternate value only when a variable is nonempty
Bash Scripts: The colon-plus expansion returns its word only when the parameter has a nonempty value.
Bash Scripts✓ Tested
Use the first fulfilled promise result
JavaScript: Promise.any ignores individual rejections until one input fulfills.
JavaScript✓ Tested
Use the first fulfilled promise result
TypeScript: Promise.any ignores individual rejections until one input fulfills.
TypeScript✓ Tested
Validate a finite numeric value without coercion
JavaScript: Number.isFinite rejects numeric strings as well as NaN and infinity.
JavaScript✓ Tested
Validate a finite numeric value without coercion
TypeScript: Number.isFinite rejects numeric strings as well as NaN and infinity.
TypeScript✓ Tested
Validate a whole ASCII identifier
JavaScript: Use an anchored expression without the multiline flag and reject a trailing line break explicitly.
JavaScript✓ Tested
Validate a whole ASCII identifier
TypeScript: Use an anchored expression without the multiline flag and reject a trailing line break explicitly.
TypeScript✓ Tested
Validate the number of positional arguments
Bash Scripts: Use the argument count to enforce a simple command-line contract.
Bash Scripts✓ Tested
Visit associative-array keys in a stable order
Bash Scripts: Associative arrays have no defined iteration order, so sort their keys explicitly.
Bash Scripts✓ Tested