builtin_atoms.go

package expreduce

func getAtomsDefinitions() (defs []Definition) {
	defs = append(defs, Definition{
		Name: "Rational",
		legacyEvalFn: func(this *Expression, es *EvalState) Ex {
			if len(this.Parts) != 3 {
				return this
			}
			nAsInt, nIsInt := this.Parts[1].(*Integer)
			dAsInt, dIsInt := this.Parts[2].(*Integer)
			if nIsInt && dIsInt {
				return NewRational(nAsInt.Val, dAsInt.Val).Eval(es)
			}
			return this
		},
	})
	defs = append(defs, Definition{Name: "String"})
	defs = append(defs, Definition{Name: "Real"})
	defs = append(defs, Definition{Name: "Integer"})
	return
}