chore: added README

gebv · May 13, 2020 · 534558b · 534558b
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commit 534558b
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diff --git a/Makefile b/Makefile
@@ -0,0 +1,2 @@
+test:
+	go test -v -timeout 5s -race -bench=. -run=. ./...
diff --git a/README.md b/README.md
@@ -0,0 +1,20 @@
+# Go primitives
+
+Helper methods for golang primitives (no generics yet).
+
+Types:
+
+* [ ] Numbers
+  * [x] Int64s
+  * [ ] Float64s
+* [ ]  Strings
+* [ ]  Custom types (satisfying interface)
+
+Tools:
+
+* [ ] Go generate for primitives
+  * [ ] Numbers
+  * [ ] Strings
+  * [ ] Custom types
+
+Methods for array: `Exists`, `Index`, `Len`, `Sort`, `Copy`, `Uniq`, `Filter`. Methods `Sort`, `Uniq`, `Filter` without allocate.
diff --git a/int/int64s.go b/int/int64s.go
@@ -42,7 +42,7 @@ func (v Int64s) Sort() {
 
 // Copy creates a copy of the array.
 func (v Int64s) Copy() Int64s {
-	return v[:]
+	return v.Filter(func(in int64) bool { return true })
 }
 
 // Uniq returns a unique set (without allocate).
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		test:
		go test -v -timeout 5s -race -bench=. -run=. ./...