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context: update ValueContext to handle Any value and more Key types, use closures (#11993)

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Ulises Jeremias Cornejo Fandos 2021-09-27 11:52:20 -03:00 • committed by GitHub
parent d6a4bce2ef
commit c151e075e1
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11 changed files with 131 additions and 90 deletions
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19
vlib/context/empty.v
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@ -1,6 +1,6 @@
// This module defines the Context type, which carries deadlines, cancellation signals,
// and other request-scoped values across API boundaries and between processes.
// Based off: https://github.com/golang/go/tree/master/src/context
// Based on: https://github.com/golang/go/tree/master/src/context
// Last commit: https://github.com/golang/go/commit/52bf14e0e8bdcd73f1ddfb0c4a1d0200097d3ba2
module context
@ -10,11 +10,11 @@ import time
// struct{}, since vars of this type must have distinct addresses.
pub type EmptyContext = int
pub fn (ctx EmptyContext) deadline() ?time.Time {
pub fn (ctx &EmptyContext) deadline() ?time.Time {
return none
}
pub fn (ctx EmptyContext) done() chan int {
pub fn (ctx &EmptyContext) done() chan int {
ch := chan int{}
defer {
ch.close()
@ -22,16 +22,15 @@ pub fn (ctx EmptyContext) done() chan int {
return ch
}
pub fn (ctx EmptyContext) err() IError {
// TODO: Change this to `none`
return none_
}
pub fn (ctx EmptyContext) value(key string) ?voidptr {
pub fn (ctx &EmptyContext) err() IError {
return none
}
pub fn (ctx EmptyContext) str() string {
pub fn (ctx &EmptyContext) value(key Key) ?Any {
return none
}
pub fn (ctx &EmptyContext) str() string {
if ctx == background {
return 'context.Background'
}