The constructor for the initialization of the Go language

Source: Internet
Author: User
This is a created article in which the information may have evolved or changed. File represents an open file descriptor.
Type File struct {
*file
}

NewFile returns a new file with the given file descriptor and name.
Func NewFile (fd uintptr, name string) *file {
H: = Syscall. Handle (FD)
if H = = Syscall. Invalidhandle {
return Nil
}
F: = &file{&file{fd:h, name:name}} //Initializes a structure, the return address obtains an address from the compound declaration, which means that the compiler is told to allocate space in the heap instead of the stack.
Runtime. Setfinalizer (F.file, (*file). Close)
return F
}


Initialization is quite handy.


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