go-pkg/expr
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several changes:

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1. moved scan/symbol.go to new package sym and adapted all files that reference Symbol type and its values.
2. new type interval defined by begin, end and step values.
3. replaced operator-range.go with operator-interval.go.
4. replaced range operator begin:end with begin..end..step.
5. new implementation of sub-collection extraction based on new interval literal.
This commit is contained in:
Celestino Amoroso
2026-07-27 16:01:52 +02:00
parent 07aecfc4e7
commit 8e596d5979
63 changed files with 1125 additions and 755 deletions
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operator-rel.go
+7 -6
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@@ -9,6 +9,7 @@ import (
"git.portale-stac.it/go-pkg/expr/kern"
"git.portale-stac.it/go-pkg/expr/scan"
"git.portale-stac.it/go-pkg/expr/sym"
"git.portale-stac.it/go-pkg/expr/types"
"git.portale-stac.it/go-pkg/expr/types/array"
"git.portale-stac.it/go-pkg/expr/types/boolean"
@@ -224,10 +225,10 @@ func evalGreaterEqual(ctx kern.ExprContext, opTerm *scan.Term) (v any, err error
// init
func init() {
scan.RegisterTermConstructor(scan.SymDoubleEqual, newEqualTerm)
scan.RegisterTermConstructor(scan.SymNotEqual, newNotEqualTerm)
scan.RegisterTermConstructor(scan.SymLess, newLessTerm)
scan.RegisterTermConstructor(scan.SymLessOrEqual, newLessEqualTerm)
scan.RegisterTermConstructor(scan.SymGreater, newGreaterTerm)
scan.RegisterTermConstructor(scan.SymGreaterOrEqual, newGreaterEqualTerm)
scan.RegisterTermConstructor(sym.SymDoubleEqual, newEqualTerm)
scan.RegisterTermConstructor(sym.SymNotEqual, newNotEqualTerm)
scan.RegisterTermConstructor(sym.SymLess, newLessTerm)
scan.RegisterTermConstructor(sym.SymLessOrEqual, newLessEqualTerm)
scan.RegisterTermConstructor(sym.SymGreater, newGreaterTerm)
scan.RegisterTermConstructor(sym.SymGreaterOrEqual, newGreaterEqualTerm)
}