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Usually, if there is a token that is a prefix of another the longer token wins. For example, in Javascript --x is parsed as the decrement operator instead of as

by ufo 7y ago

Usually, if there is a token that is a prefix of another the longer token wins. For example, in Javascript --x is parsed as the decrement operator instead of as two unary "-" operators.

esfandia 7y ago
With that rule, the "leading zero" problem in the article should have been caught properly as well. Why wasn't it? edit: I guess because "01" isn't a valid token.
- y4mi 7y ago
  "--" is also invalid in json, as it doesn't deal with mutations. The parent was talking about js.