charlang/example/gel3.char

sourceT := `
return {
	"Pi": 3.1415926,
	"add": func(a1, a2) {
		return a1 + a2
	},
	"mul": func(a1, a2) {
		return a1 * a2
	},
}
`

g1 := gel(sourceT)

// plo(g1)

try {
	plo(g1.add)
} catch e {
	pl("error will occur since not compiled: %v", e)
}

simpleMath := g1.load()

if isErr(simpleMath) {
	fatalf("failed to compile the gel: %v", simpleMath)
}

map1 := toOrderedMap(simpleMath).method("sortKeys", "-desc")

plt(map1)

map1 = callMethod(map1, "sortKeys")

plt(map1)

rs := simpleMath.add(1, 2)

plo(rs)

pl("simpleMath.Pi:  (%T)%v", simpleMath.Pi, simpleMath.Pi)

pl("unknown member: (%v)%v", typeName(simpleMath.var1), simpleMath.var1)

pln(isErr(simpleMath.var1))

pln(getErrStr(simpleMath.var1))

pln(isNil(simpleMath.var1))

pln(isNilOrEmpty(simpleMath.var1))

pln(isUndefined(simpleMath.var1))

try {
	pl("unknown func: %v", simpleMath.func1())
} catch e {
	pl("unknown func(%v): %v", simpleMath.func1, e)
}

rs2 := simpleMath.mul(3.6, 8)

plo(rs2)