about bindingPower
Closed this issue · 1 comments
Shuimo03 commented
The function mean is ?
func (t Token) bindingPower() uint {
switch t.Kind {
case KeywordKind:
switch Keyword(t.Value) {
case AndKeyword:
fallthrough
case OrKeyword:
return 1
}
case SymbolKind:
switch Symbol(t.Value) {
case EqSymbol:
fallthrough
case NeqSymbol:
return 2
case LtSymbol:
fallthrough
case GtSymbol:
return 3
// For some reason these are grouped separately
case LteSymbol:
fallthrough
case GteSymbol:
return 4
case ConcatSymbol:
fallthrough
case PlusSymbol:
return 5
}
}
return 0
}
eatonphil commented
Hey! You can find more info on it in this blog post if you search for "bindingPower": https://notes.eatonphil.com/database-basics-expressions-and-where.html.
I try to keep issues to only bug reports though so I'll close this. If you have more questions feel free to send me an email!