fn copy_file_to_file(file: &PathBuf, target: &PathBuf, b: &Behavior) -> i32 {
    if copy(file, &target, b).is_err() {
        1
    } else {
        0
    }
}
/// Copy a file to another file.
///
/// Prints verbose information and error messages.
/// Returns an integer intended as a program return code.
///
/// # Parameters
///
/// _file_ must exist as a non-directory.
/// _target_ must be a non-directory
///
Copy a file to another file.
Prints verbose information and error messages.
Returns an integer intended as a program return code.
Copy a file to another file . Prints verbose information and error messages . Returns an integer intended as a program return code .
fn copy_file_to_file(file: &PathBuf, target: &PathBuf, b: &Behavior) -> i32 {
    if copy(file, &target, b).is_err() {
        1
    } else {
        0
    }
}
fn copy_file_to_file ( file : & PathBuf , target : & PathBuf , b : & Behavior ) -> i32 { if copy ( file , & target , b ) . is_err ( ) { 1 } else { 0 } }
Copy a file to another file.
Copy a file to another file .
file
&PathBuf
target
&PathBuf
b
&Behavior
file
&PathBuf
target
&PathBuf
b
&Behavior