On Jul 5, 2009, at 7:52 AM, Christian Plesner Hansen wrote:

Custom literals is a nasty problem.  To work with decimal literals,
for instance, the compiler can't be allowed to interpret numeric
constants; that has to be delegated to the decimal library.

To clarify, we wouldn't make 123 or 3.14 be extensible (at least not without some "use decimal" pragma, which seems very difficult to implement, since it would not affect lexical scope or other compile- time constructs, but rather have runtime effects). You'd have to write 1.1m or similar.

/be

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