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Template std.typecons.Tuple.opEquals

Comparison for equality. Two Tuples are considered equal iff they fulfill the following criteria:

  • Each Tuple is the same length.
  • For each type T on the left-hand side and each type U on the right-hand side, values of type T can be compared with values of type U.
  • For each value v1 on the left-hand side and each value v2 on the right-hand side, the expression v1 == v2 is true.

Arguments

template opEquals(R);

Functions

Function name Description
opEquals

Parameters

NameDescription
rhs The Tuple to compare against. It must meeting the criteria for comparison between Tuples.

Returns

true if both Tuples are equal, otherwise false.

Example

Tuple!(int, string) t1 = tuple(1, "test");
Tuple!(double, string) t2 =  tuple(1.0, "test");
//Ok, int can be compared with double and
//both have a value of 1
assert(t1 == t2);

Authors

Andrei Alexandrescu, Bartosz Milewski, Don Clugston, Shin Fujishiro, Kenji Hara

License

Boost License 1.0.

Comments