Or is that a myth? Can't see it mentioned in any official documentation (it's there, D'oh!) – it sure doesn't seem to work for me when using Atom with the go-plus package. It's a shame as I am doing a lot of math operations, and I love mathematic notation.
Update: I don't consider any mathematical symbol as esoteric: ‖ ⏋∪
Compared to any emoji:
分享 Go supports some of the Unicode categories as per https://golang.org/ref/spec#Identifiers
Identifiers name program entities such as variables and types. An identifier is a sequence of one or more letters and digits. The first character in an identifier must be a letter.
identifier = letter { letter | unicode_digit } .
The above classes are defined in the spec as:
unicode_letter = /* a Unicode code point classified as "Letter" */ . unicode_digit = /* a Unicode code point classified as "Decimal Digit" */ .In The Unicode Standard 6.3, Section 4.5 "General Category" defines a set of character categories. Go treats those characters in category Lu, Ll, Lt, Lm, or Lo as Unicode letters, and those in category Nd as Unicode digits.
The 'short' answer is that some operators are supported, depending on their character class. The more esoteric/specialist ones won't be.
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