shellfn_core

Function execute_parse_panic

Source 
pub fn execute_parse_panic<T, TArg, TEnvKey, TEnvVal>(
    cmd: impl AsRef<OsStr>,
    args: impl IntoIterator<Item = TArg>,
    envs: impl IntoIterator<Item = (TEnvKey, TEnvVal)>,
) -> T
where
    T: FromStr,
    TArg: AsRef<OsStr>,
    TEnvKey: AsRef<OsStr>,
    TEnvVal: AsRef<OsStr>,
    <T as FromStr>::Err: StdError,
Expand description

Executes command with args and environment variables, parses output

  • On invalid command: panic
  • On error exit code: panic
  • On parsing failure: panic
  • Possible errors: N/A

Designed for

use shellfn::shell;

#[shell]
fn command() -> u32 {
    "echo -n 42"
}

assert_eq!(42, command())