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get_usize

envmnt

Function get_usize 

Source 
pub fn get_usize<K: AsRef<OsStr>>(key: K, default_value: usize) -> usize
Expand description

Returns the environment variable value or a default value in case the variable is not defined or cannot be parsed.

ยงArguments

  • key - The environment variable name
  • default_value - Returned if the variable does not exist or cannot be parsed