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Register a transform once, and derive the calls a typed column's error offers from builtin.number

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Lilleman auf Larv
2026-09-25 08:43:58 +02:00
committed by Lillem4n
parent a048cdd73c
commit d81cfd5757
5 changed files with 40 additions and 21 deletions
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builtins.go
+12 -15
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@@ -22,7 +22,7 @@ const (
// emitted so far in the current expansion (place them after their payload);
// samples read only the rng. A time-based id (uuid v7, ulid) draws its timestamp
// from the rng, not the wall clock, so seeded output stays reproducible.
var builtins = map[string]builtin{
var builtins = withTransforms(map[string]builtin{
"luhn": {arity: 0, prep: derive(func(e string) string { return string(rune('0' + luhnCheck(e))) })},
"mod11": {arity: 0, prep: derive(mod11Check)},
"ean": {arity: 0, prep: derive(eanCheck)},
@@ -30,8 +30,8 @@ var builtins = map[string]builtin{
"ulid": {arity: 0, prep: sample(ulid)},
"nanoid": {arity: 1, check: posIntArg, prep: chars(nanoidAlphabet)},
"hex": {arity: 1, check: posIntArg, prep: chars(hexDigits)},
"digits": {arity: 1, check: posIntArg, prep: chars("0123456789"), number: func(token string, a []string) proven {
return printing(token, DataTypeString, bounded(0, math.Pow(10, float64(atoi(a[0])))-1, true))
"digits": {arity: 1, check: posIntArg, prep: chars("0123456789"), prints: DataTypeString, number: func(token string, prints DataType, a []string) proven {
return printing(token, prints, bounded(0, math.Pow(10, float64(atoi(a[0])))-1, true))
}},
"upper": {arity: 1, check: posIntArg, prep: chars("ABCDEFGHIJKLMNOPQRSTUVWXYZ")},
"lower": {arity: 1, check: posIntArg, prep: chars("abcdefghijklmnopqrstuvwxyz")},
@@ -44,27 +44,24 @@ var builtins = map[string]builtin{
"int": {arity: 2, check: intRangeArgs, prep: func(a []string) callFn {
lo, span := atoi(a[0]), atoi(a[1])-atoi(a[0])+1
return func(s *session, _ string, _ []string) string { return strconv.Itoa(lo + s.IntN(span)) }
}, number: func(token string, a []string) proven {
return printing(token, DataTypeInteger, bounded(float64(atoi(a[0])), float64(atoi(a[1])), true))
}, prints: DataTypeInteger, number: func(token string, prints DataType, a []string) proven {
return printing(token, prints, bounded(float64(atoi(a[0])), float64(atoi(a[1])), true))
}},
"float": {arity: 3, check: floatArgs, prep: func(a []string) callFn {
lo, hi, dp := atof(a[0]), atof(a[1]), atoi(a[2])
return func(s *session, _ string, _ []string) string {
return formatFloat(lo+s.Float64()*(hi-lo), dp)
}
}, number: func(token string, a []string) proven {
}, prints: DataTypeNumber, number: func(token string, _ DataType, a []string) proven {
return printedNumber(token, bounded(atof(a[0]), atof(a[1]), false), atoi(a[2]))
}},
"iban": {arity: 1, check: ibanArg, prep: func(a []string) callFn {
cc := a[0]
return func(s *session, _ string, _ []string) string { return iban(s, cc) }
}},
"date": {arity: -1, check: dateArgs, prep: datePrep},
"time": {arity: -1, check: timeArg, prep: timePrep},
"calc": {arity: -1, check: checkCalc, prep: calcPrep, operands: calcOperands},
"lowercase": {arity: 1, check: transformArg, prep: transformPrep(strings.ToLower), operands: transformOperand},
"uppercase": {arity: 1, check: transformArg, prep: transformPrep(strings.ToUpper), operands: transformOperand},
"ascii": {arity: 1, check: transformArg, prep: transformPrep(asciiFold), operands: transformOperand},
"date": {arity: -1, check: dateArgs, prep: datePrep},
"time": {arity: -1, check: timeArg, prep: timePrep},
"calc": {arity: -1, check: checkCalc, prep: calcPrep, operands: calcOperands},
// seq is the one stateful builtin: a per-session counter from 1, advancing on
// each call. An optional name selects an independent counter; no name uses the
// default one. Deterministic by construction, so seeded output stays stable.
@@ -76,10 +73,10 @@ var builtins = map[string]builtin{
return func(s *session, _ string, _ []string) string {
return strconv.FormatUint(s.next(key), 10)
}
}, number: func(token string, _ []string) proven {
return printing(token, DataTypeInteger, bounded(1, math.MaxInt64, true))
}, prints: DataTypeInteger, number: func(token string, prints DataType, _ []string) proven {
return printing(token, prints, bounded(1, math.MaxInt64, true))
}},
}
})
// derive and sample are the two argument-free builtin shapes: a derivation reads
// the output emitted so far, a sample reads only the rng. chars is the shape of a