Function makeArrayTypeMapper

test/fixtures/snapshot/typescript.js:63306–63308

(sources, targets)

            return { kind: 0 /* TypeMapKind.Simple */, source: source, target: target };
        }
        function makeArrayTypeMapper(sources, targets) {
            return { kind: 1 /* TypeMapKind.Array */, sources: sources, targets: targets };
        }
        function makeFunctionTypeMapper(func) {
            return { kind: 2 /* TypeMapKind.Function */, func: func };
        }