Module ht

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Module implementing the parameter types code.

Functions

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EmptyList()
Returns an empty list.

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EmptyDict()
Returns an empty dict.

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TNotNone(val)
Checks if the given value is not None.

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TNone(val)
Checks if the given value is None.

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TBool(val)
Checks if the given value is a boolean.

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TInt(val)
Checks if the given value is an integer.

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TFloat(val)
Checks if the given value is a float.

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TString(val)
Checks if the given value is a string.

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TTrue(val)
Checks if a given value evaluates to a boolean True value.

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TElemOf(target_list)
Builds a function that checks if a given value is a member of a list.

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TList(val)
Checks if the given value is a list.

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TDict(val)
Checks if the given value is a dictionary.

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TIsLength(size)
Check is the given container is of the given size.

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TAnd(*args)
Combine multiple functions using an AND operation.

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TOr(*args)
Combine multiple functions using an AND operation.

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TMap(fn, test)
Checks that a modified version of the argument passes the given test.

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TListOf(my_type)
Checks if a given value is a list with all elements of the same type.

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TDictOf(key_type, val_type)
Checks a dict type for the type of its key/values.

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Variables

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NoDefault = object()
The without-default default value

NoType = object()
The no-type (value to complex to check it in the type system)

TNonEmptyString = TAnd(TString, TTrue)
a non-empty string

TMaybeString = TOr(TNonEmptyString, TNone)
a maybe non-empty string

TMaybeBool = TOr(TBool, TNone)
a maybe boolean (bool or none)

TMaybeDict = TOr(TDict, TNone)
Maybe a dictionary (dict or None)

TPositiveInt = TAnd(TInt, lambda v: v >= 0)
a positive integer

TStrictPositiveInt = TAnd(TInt, lambda v: v > 0)
a strictly positive integer

TNumber = TOr(TInt, TFloat)
Number

Imports: compat