FWIW, the spec has two main places this comes up (in the positive), near
annotations and later with numeric literals. In the annotations section
only
'.'s are mentioned. Near literals case has the ambiguous phrase: "or
validates
as type double".
I doubt in practice actual asm.js code cares, so I would say we could push
back
for an edit either way round? Both are equally expressive. Allowing e as a
marker is slightly smaller for some constants.
What do you guys think?
ANNOTATIONS:
In the first case, the variable type is double if n's source contains the
character .; otherwise n may be an integer literal in the range [-231,
232), in
which case the variable type is int.
LITERALS:
succeeds with type double if the source contains a . character; or
validates as
type double;
https://codereview.chromium.org/1201783003/
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