4.22 Analysing and Constructing Atoms
All
Application
Manual
Name
Summary
Help
Documentation
Reference manual
Built-in Predicates
Analysing and Constructing Atoms
atom_codes/2
atom_chars/2
char_code/2
number_chars/2
number_codes/2
atom_number/2
name/2
term_to_atom/2
atom_to_term/3
atom_concat/3
atomic_concat/3
atomic_list_concat/2
atomic_list_concat/3
atom_length/2
atom_prefix/2
sub_atom/5
sub_atom_icasechk/3
Packages
Availability:
built-in
[ISO]
atom_length
(
+Atom, -Length
)
True if
Atom
is an atom of
Length
characters. The SWI-Prolog version accepts all atomic types, as well as code-lists and character-lists. See also
write_size/4
.