13af6ab5fSopenharmony_ci# Non-declaration statements in namespaces are not supported 23af6ab5fSopenharmony_ci 33af6ab5fSopenharmony_ciRule ``arkts-no-ns-statements`` 43af6ab5fSopenharmony_ci 53af6ab5fSopenharmony_ci**Severity: error** 63af6ab5fSopenharmony_ci 73af6ab5fSopenharmony_ciArkTS does not support statements in namespaces. Use a function to execute 83af6ab5fSopenharmony_cistatements. 93af6ab5fSopenharmony_ci 103af6ab5fSopenharmony_ci 113af6ab5fSopenharmony_ci## TypeScript 123af6ab5fSopenharmony_ci 133af6ab5fSopenharmony_ci 143af6ab5fSopenharmony_ci``` 153af6ab5fSopenharmony_ci 163af6ab5fSopenharmony_ci namespace A { 173af6ab5fSopenharmony_ci export let x: number 183af6ab5fSopenharmony_ci x = 1 193af6ab5fSopenharmony_ci } 203af6ab5fSopenharmony_ci 213af6ab5fSopenharmony_ci``` 223af6ab5fSopenharmony_ci 233af6ab5fSopenharmony_ci## ArkTS 243af6ab5fSopenharmony_ci 253af6ab5fSopenharmony_ci 263af6ab5fSopenharmony_ci``` 273af6ab5fSopenharmony_ci 283af6ab5fSopenharmony_ci namespace A { 293af6ab5fSopenharmony_ci export let x: number 303af6ab5fSopenharmony_ci 313af6ab5fSopenharmony_ci export function init() { 323af6ab5fSopenharmony_ci x = 1 333af6ab5fSopenharmony_ci } 343af6ab5fSopenharmony_ci } 353af6ab5fSopenharmony_ci 363af6ab5fSopenharmony_ci // Initialization function should be called to execute statements: 373af6ab5fSopenharmony_ci A.init() 383af6ab5fSopenharmony_ci 393af6ab5fSopenharmony_ci``` 403af6ab5fSopenharmony_ci 413af6ab5fSopenharmony_ci 42