# Trait std::os::unix::prelude::OpenOptionsExt [−] [src]

    pub trait OpenOptionsExt {
        fn mode(&mut self, mode: mode_t) -> &mut Self;
    }

Unix-specific extensions to `OpenOptions`

## Required Methods

### `fn mode(&mut self, mode: mode_t) -> &mut Self`

Sets the mode bits that a new file will be created with.

If a new file is created as part of a `File::open_opts` call then this specified `mode` will be used as the permission bits for the new file.

## Implementors

- `impl OpenOptionsExt for OpenOptions`
- `impl OpenOptionsExt for OpenOptions`

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