Std.Process.output
1 declaration
fn
output: Str -> &Array[Str] -> Result[Str, Str]This is a callable function.
What it does
Run a program and answer with its output, treating a non-zero status as a
failure carrying whatever it wrote to its error stream.
The form to reach for when the program is a step that must work.
Read the signature
- The text after the name is the type checked by Pudu.
- Read arrows from left to right: inputs come first, and the final type is returned.
- & borrows a value for this call instead of moving or copying it.
- Names inside [ ] are type arguments, such as the item type held by a collection.
- Result makes success and recoverable failure part of the function's type.
