diff options
Diffstat (limited to 'neb/std/types.py')
| -rw-r--r-- | neb/std/types.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/neb/std/types.py b/neb/std/types.py index 01e4fb3..9cd8e6d 100644 --- a/neb/std/types.py +++ b/neb/std/types.py @@ -88,6 +88,11 @@ def interpretIsLiteral(symbol, args, env, ns): TYPES.register("literal?", Builtin("literal?", interpretIsLiteral, [Arg("arg", TypeEnum.ANY)], return_type=Type(":bool"))) +def interpretIsHandle(symbol, args, env, ns): + return Bool(isinstance(args[0], Handle)) + +TYPES.register("handle?", Builtin("handle?", interpretIsHandle, [Arg("arg", TypeEnum.ANY)], return_type=Type(":bool"))) + # add types to env any_type = NebType(":any", None, interpretIsAny) literal_type = NebType(":literal", any_type, interpretIsLiteral) @@ -98,6 +103,7 @@ bool_type = NebType(":bool", literal_type, interpretIsBool) number_type = NebType(":number", literal_type, interpretIsNumber) int_type = NebType(":int", number_type, interpretIsInt) float_type = NebType(":float", number_type, interpretIsFloat) +handle_type = NebType(":handle", any_type, interpretIsHandle) TYPES.register(":any", any_type) TYPES.register(":literal", literal_type) @@ -108,3 +114,4 @@ TYPES.register(":bool", bool_type) TYPES.register(":number", number_type) TYPES.register(":int", int_type) TYPES.register(":float", float_type) +TYPES.register(":handle", handle_type) |