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Code Issues Releases Activity

Cache the types to avoid fetching it every time. (#64)

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Along the lines of the caching done in #62
This commit is contained in:
Thomas Van Lenten 2018-11-12 18:03:11 -05:00 committed by Laurent Le Brun
parent 7a9648fed6
commit 6ad5e286cb
1 changed files with 15 additions and 13 deletions
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28
lib/types.bzl
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@ -14,16 +14,18 @@
"""Skylib module containing functions checking types.""" """Skylib module containing functions checking types."""
# create instance singletons to avoid unnecessary allocations # create instance singletons to avoid unnecessary allocations
_a_bool = True _a_bool_type = type(True)
_a_dict = {} _a_dict_type = type({})
_a_list = [] _a_list_type = type([])
_a_string = "" _a_string_type = type("")
_a_tuple = () _a_tuple_type = type(())
_an_int = 1 _an_int_type = type(1)
def _a_function(): def _a_function():
pass pass
_a_function_type = type(_a_function)
def _is_list(v): def _is_list(v):
"""Returns True if v is an instance of a list. """Returns True if v is an instance of a list.
@ -33,7 +35,7 @@ def _is_list(v):
Returns: Returns:
True if v is an instance of a list, False otherwise. True if v is an instance of a list, False otherwise.
""" """
return type(v) == type(_a_list) return type(v) == _a_list_type
def _is_string(v): def _is_string(v):
"""Returns True if v is an instance of a string. """Returns True if v is an instance of a string.
@ -44,7 +46,7 @@ def _is_string(v):
Returns: Returns:
True if v is an instance of a string, False otherwise. True if v is an instance of a string, False otherwise.
""" """
return type(v) == type(_a_string) return type(v) == _a_string_type
def _is_bool(v): def _is_bool(v):
"""Returns True if v is an instance of a bool. """Returns True if v is an instance of a bool.
@ -55,7 +57,7 @@ def _is_bool(v):
Returns: Returns:
True if v is an instance of a bool, False otherwise. True if v is an instance of a bool, False otherwise.
""" """
return type(v) == type(_a_bool) return type(v) == _a_bool_type
def _is_none(v): def _is_none(v):
"""Returns True if v has the type of None. """Returns True if v has the type of None.
@ -77,7 +79,7 @@ def _is_int(v):
Returns: Returns:
True if v is an instance of a signed integer, False otherwise. True if v is an instance of a signed integer, False otherwise.
""" """
return type(v) == type(_an_int) return type(v) == _an_int_type
def _is_tuple(v): def _is_tuple(v):
"""Returns True if v is an instance of a tuple. """Returns True if v is an instance of a tuple.
@ -88,7 +90,7 @@ def _is_tuple(v):
Returns: Returns:
True if v is an instance of a tuple, False otherwise. True if v is an instance of a tuple, False otherwise.
""" """
return type(v) == type(_a_tuple) return type(v) == _a_tuple_type
def _is_dict(v): def _is_dict(v):
"""Returns True if v is an instance of a dict. """Returns True if v is an instance of a dict.
@ -99,7 +101,7 @@ def _is_dict(v):
Returns: Returns:
True if v is an instance of a dict, False otherwise. True if v is an instance of a dict, False otherwise.
""" """
return type(v) == type(_a_dict) return type(v) == _a_dict_type
def _is_function(v): def _is_function(v):
"""Returns True if v is an instance of a function. """Returns True if v is an instance of a function.
@ -110,7 +112,7 @@ def _is_function(v):
Returns: Returns:
True if v is an instance of a function, False otherwise. True if v is an instance of a function, False otherwise.
""" """
return type(v) == type(_a_function) return type(v) == _a_function_type
types = struct( types = struct(
is_list = _is_list, is_list = _is_list,