abstract class $IS_EQ

****

Subtypes of this define "is_eq:BOOL". Typically used in typecases to use instead of "=". Examples: INT < $IS_EQ, STR < $IS_EQ. NOTE: ___This_equality_should_be_an_IMMUTABLE_equality_that_is_valid ___over_the_lifetime_of_the_whole_object._It_should_be_possible ___to_use_this_equality_(and_an_associated_hash_value)_to_ ___place_an_object_in_a_hash_table_and_then_later_retrieve_it.

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Descendants

$HASH	FLTD	INT	INTI
STR	TUP{_}	CHAR	TUP{_,_,_}
TUP{_,_,_,_}	DIEDGE{_}	FLT	UEDGE{_}
TUP{_,_}	FSTR	I_INTERVAL	BOOL
$IS_LT{_}	RAT	PQMIN{_}	PQMINWT{_,_}
$NUMBER{_}	$REAL_NUMBER{_}	$NFE{_}	$CPX_NUMBER{_,_}
CPX	CPXD	CPX{_}	$F_NUMBER{_}
F_INTEGER	F_REAL	F_COMPLEX	F_DOUBLE_COMPLEX
F_DOUBLE	$F_SCALAR	F_LOGICAL	F_CHARACTER

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Public

Features

is_eq(e:$OB):BOOL;

****	True if self is equal arg for this element type.

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