Both string1 and str1 have defined types while the quoted specs rule says "at least one of V or T is not a defined type.".
On Sun, Feb 23, 2020, 14:19 Jimu Yang <jimuy...@gmail.com> wrote: > I am reading the doc about Assignability in Golang Specification > <https://golang.org/ref/spec#Assignability> . It says: > > A value x is *assignable* to a variable > <https://golang.org/ref/spec#Variables> of type T ("x is assignable to T") > if one of the following conditions applies: > > - ... > - x's type V and T have identical underlying types > <https://golang.org/ref/spec#Types> and at least one of V or T is not > a defined <https://golang.org/ref/spec#Type_definitions> type. > - ... > > > type str string > > func main() { > string1 := "string" > var str1 str = "str1" > str1 = string1 // cannot use string1 (type string) as type str in > assignment > } > > > string1's type string and str have identical underlying type (string) and > string is not a defined type. > > So why cannot i assign string1 to str1? > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/8fedba03-5aa1-4227-80c5-686a87a45cdd%40googlegroups.com > <https://groups.google.com/d/msgid/golang-nuts/8fedba03-5aa1-4227-80c5-686a87a45cdd%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/CAA40n-VNBTMFFAETrgbXq8C6%3D5Ldjhr5mXQpQLMrHQPrnvM0YQ%40mail.gmail.com.
