Implicit read/write of extern instances #5343
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Signed-off-by: Chris Dodd <[email protected]>
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This change adds support for implicit reading and assigning to extern instances. If an extern type jas method marked
@implicit, they can be used to implicitly read or write an extern instance via normal expressions or assignments@implicit T methodname()(a method with no arguments and non-void return type) allows an extern instance to be used as an rvalue (a use on the right side of an assignment or an operand to an operator, orinargument to a methodcall)@implicit void methodname(T)(a method with one argument and void return) allows an extern instance to be used as an lvalue (left operand of an assignment oroutargument to a methodcall.)This is an alternative to #5330 to allow for persistent data implemented as an
externThis PR is on top of #5338 and requires that change