fs/FileMode

value methods:

dir?

Reports whether mode describes a directory.

(mode dir?) -> bool

regular?

Reports whether mode describes a regular file.

(mode regular?) -> bool

mode_type

Returns type bits.

(mode mode_type) -> mode

mode_perm

Returns the Unix permission bits.

(mode mode_perm) -> mode

|

Returns the or operation result of mode and mode1.

(mode | mode1(mode)) -> mode