github.com/tetratelabs/wazero@v1.7.1/internal/integration_test/spectest/v2/testdata/if.1.wat (about)

     1  (type $sig (func (param i32) (result i32)))(func (i32.const 0)  (if (type $sig) (result i32) (param i32) (i32.const 1) (then)))