import time struct User { name string } struct A { m map[string]int users map[string]User } fn (a mut A) set(key string, val int) { a.m[key] = val } fn test_map() { mut m := map[string]int{} assert m.size == 0 m['hi'] = 80 m['hello'] = 101 assert m['hi'] == 80 assert m['hello'] == 101 assert m.size == 2 assert 'hi' in m mut sum := 0 mut key_sum := '' // Test `for in` for key, val in m { sum += val key_sum += key } assert sum == 80 + 101 assert key_sum == 'hihello' // Test `.keys()` keys := m.keys() assert keys.len == 2 assert keys[0] == 'hi' assert keys[1] == 'hello' //// mut users := map[string]User{} users['1'] = User{'Peter'} peter := users['1'] assert peter.name == 'Peter' println(peter.name) mut a := A{ m: map[string]int{} users: map[string]User{} } a.users['Bob'] = User{'Bob'} q := a.users['Bob'] assert q.name == 'Bob' a.m['one'] = 1 a.set('two', 2) assert a.m['one'] == 1 assert a.m['two'] == 2 } fn test_string_map() { //m := map[string]Fn } fn test_large_map() { //ticks := time.ticks() mut nums := map[string]int{} N := 30 * 1000 for i := 0; i < N; i++ { key := i.str() nums[key] = i } assert nums['1'] == 1 assert nums['999'] == 999 assert nums['1000000'] == 0 //println(time.ticks() - ticks) } fn test_various_map_value() { mut m1 := map[string]int{} m1['test'] = 1 assert m1['test'] == 1 mut m2 := map[string]string{} m2['test'] = 'test' assert m2['test'] == 'test' mut m3 := map[string]i8{} m3['test'] = i8(0) assert m3['test'] == i8(0) mut m4 := map[string]i16{} m4['test'] = i16(0) assert m4['test'] == i16(0) mut m5 := map[string]i32{} m5['test'] = i32(0) assert m5['test'] == i32(0) mut m6 := map[string]u8{} m6['test'] = u8(0) assert m6['test'] == u8(0) mut m7 := map[string]u16{} m7['test'] = u16(0) assert m7['test'] == u16(0) mut m8 := map[string]u32{} m8['test'] = u32(0) assert m8['test'] == u32(0) mut m9 := map[string]bool{} m9['test'] = true assert m9['test'] == true mut m10 := map[string]byte{} m10['test'] = byte(0) assert m10['test'] == byte(0) mut m11 := map[string]f32{} m11['test'] = f32(0.0) assert m11['test'] == f32(0.0) mut m12 := map[string]f64{} m12['test'] = f64(0.0) assert m12['test'] == f64(0.0) mut m13 := map[string]rune{} m13['test'] = rune(0) assert m13['test'] == rune(0) mut m14 := map[string]voidptr{} m14['test'] = voidptr(0) assert m14['test'] == voidptr(0) mut m15 := map[string]byteptr{} m15['test'] = byteptr(0) assert m15['test'] == byteptr(0) mut m16 := map[string]i64{} m16['test'] = i64(0) assert m16['test'] == i64(0) mut m17 := map[string]u64{} m17['test'] = u64(0) assert m17['test'] == u64(0) }