`Topkg.Fpath`

File system paths.

**Note.** Only use `"/"`

as a directory separator, even on Windows platforms.

`type t = fpath`

The type for file system paths.

`append p q`

appends `q`

to `p`

as follows:

- If
`q`

is absolute then`q`

is returned - Otherwise appends
`q`

's segments to`p`

using a`"/"`

if needed.

`val is_dir_path : t -> bool`

`is_dir_path p`

is `true`

iff `p`

represents a directory. This means that `p`

is `.`

, `..`

or ends with `/`

, `/..`

or `/.`

.

`val is_file_path : t -> bool`

`is_file_path p`

is `not (is_dir_path true)`

.

`val basename : t -> string`

`basename p`

is `p`

's basename, the last non empty segment of `p`

.

`val dirname : t -> string`

`dirname p`

is `p`

's dirname, `p`

without its last non empty segment.

`val get_ext : t -> string`

`get_ext p`

is `p`

's filename extension (including the `'.'`

) or the empty string if there is no extension

`val has_ext : string -> t -> bool`

`has_ext e p`

is `true`

iff `e`

is a suffix of `p`

.