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concat_string(++List, -Dest)
Succeeds if Dest is the concatenation of the atomic terms contained in
List.
- List
- List of atomic terms.
- Dest
- String or variable.
Description
Dest is unified with the concatenation of the atomic terms contained in
List. List may contain numbers, atoms and strings. The result of the
concatenation is always a string.
This is a deprecated alias for atomics_to_string/2,
Modes and Determinism
- concat_string(++, -) is det
Exceptions
- (4) instantiation fault
- List is not instantiated (non-coroutine mode only).
- (4) instantiation fault
- List contains free variables (non-coroutine mode only).
- (5) type error
- List is instantiated, but not to a list of atomic terms.
- (5) type error
- Dest is neither an string nor a variable.
Examples
Success:
concat_string([abc,def],"abcdef").
concat_string(["Str1","Str2"],X).
X = "Str1Str2".
concat_string([the,man," is aged ",20],X).
X = "theman is aged 20".
concat_string([1,2,3],X).
X = "123".
Fail:
concat_string([ab,bc],"abc").
Error:
concat_string(A,X). (Error 4).
concat_string([abc,D],X). (Error 4).
concat_string(art,X). (Error 5).
See Also
concat_atom / 2, concat_strings / 3, append_strings / 3, atom_string / 2, join_string / 3, split_string / 4, sprintf / 3