Results for “none”
Small, practical examples. Search by task or narrow things down below.
Chain operations that may return None
Chain operations that may return None in a complete Rust program using the standard library.
Rust✓ Tested
Check that a file is present and nonempty
Test file content availability before reading it.
file check✓ Tested
Find the smallest value in a nonempty array
C: Initialize from the first element instead of assuming a numeric sentinel.
C✓ Tested
Require a nonempty text value
HTML: The required attribute makes an empty text control fail native constraint validation.
HTML✓ Tested
Rotate a nonempty array left by one element
C: Save the first item before shifting the remaining elements.
C✓ 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
Reject a missing required configuration value
Bash Scripts: Check a required value explicitly and emit a controlled diagnostic before exiting.
Bash Scripts✓ Tested
Remove a hidden element’s layout space
CSS: Display none removes a box from layout as well as hiding its contents.
CSS✓ Tested
Allow pointer input to pass through a decorative overlay
CSS: Pointer-events none excludes the overlay from ordinary pointer hit testing.
CSS✓ Tested
Disable a service’s network interfaces
Docker / Compose: network_mode none leaves only the loopback interface.
Docker / Compose✓ Tested
Fade an element out and hide it
jQuery: fadeOut sets display none after the opacity animation finishes.
jQuery✓ Tested
Find a sample range in one pass
Arduino / C: Initialize extrema from the first element of a nonempty array.
Arduino / C✓ Tested