Add modify

muukii · muukii · commit 179f64cf0e42 · 2021-12-12T21:27:24.000+09:00
diff --git a/Sources/Chain/Chain.swift b/Sources/Chain/Chain.swift
@@ -15,6 +15,10 @@ public struct Wrap<Value> {
   
 }
 
+public func modify<Value>(_ value: inout Value, _ modifier: (inout Value) -> Void) {
+  modifier(&value)
+}
+
 extension Wrap {
 
   public func map<U>(_ transform: (Value) throws -> U) rethrows -> U {

Original file line number	Diff line number	Diff line change
`@@ -15,6 +15,10 @@ public struct Wrap<Value> {`
`15`	`15`
`16`	`16`	`}`
`17`	`17`
	`18`	`+public func modify<Value>(_ value: inout Value, _ modifier: (inout Value) -> Void) {`
	`19`	`+ modifier(&value)`
	`20`	`+}`
	`21`	`+`
`18`	`22`	`extension Wrap {`
`19`	`23`
`20`	`24`	`public func map<U>(_ transform: (Value) throws -> U) rethrows -> U {`