Results for “fold”
Small, practical examples. Search by task or narrow things down below.
Split on Unicode whitespace
Split on Unicode whitespace in a complete Rust program using the standard library.
Rust✓ Tested
Start a command with a minimal environment
Linux Commands: Use env -i with an explicit PATH for a controlled child environment.
Linux Commands✓ Tested
Stop a child process created by the script
Bash Scripts: Send a signal only to the captured PID of the script’s own child and wait for it to exit.
Bash Scripts✓ Tested
Stop a search loop at the first match
Bash Scripts: Break exits the current loop as soon as the desired item is found.
Bash Scripts✓ Tested
Stop collecting when parsing fails
Stop collecting when parsing fails in a complete Rust program using the standard library.
Rust✓ Tested
Store and expand a shell variable
Linux Commands: Store and expand a shell variable using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Store and iterate over an array
Bash Scripts: Store and iterate over an array with a small standalone Bash program.
Bash Scripts✓ Tested
Store data in an enum variant
Store data in an enum variant in a complete Rust program using the standard library.
Rust✓ Tested
Store text in a variable
Bash Scripts: Store text in a variable with a small standalone Bash program.
Bash Scripts✓ Tested
Substitute values into a multiline template
Bash Scripts: An unquoted heredoc delimiter enables parameter expansion in the template.
Bash Scripts✓ Tested
Subtract durations without underflow
Subtract durations without underflow in a complete Rust program using the standard library.
Rust✓ Tested
Sum a range of integers
Use an arithmetic loop without launching external processes.
arithmetic✓ Tested