built-in method

eos//0

Description

eos

This non-terminal matches the end-of-input. It is implemented by checking that the implicit difference list unifies with []-[].

Modes and number of proofs

eos - zero_or_one

Errors

(none)

Examples

abc --> a, b, c, eos.

See also

call//1-N, phrase//1, phrase/2, phrase/3