update to version 8.4.1 ❤️ https://github.com/kataras/iris/blob/master/HISTORY.md#th-07-september-2017--v841

Former-commit-id: 9e5f0a08049b83605aa847b8f51fb856427354a6

core/router/macro/interpreter/ast/ast.go

@@ -18,13 +18,18 @@ const (
 	// Declaration: /mypath/{myparam:string} or /mypath{myparam}
 	ParamTypeString
 	// ParamTypeInt is the integer, a number type.
-	// Allows only numbers (0-9)
+	// Allows only possitive numbers (0-9)
 	// Declaration: /mypath/{myparam:int}
 	ParamTypeInt
 	// ParamTypeLong is the integer, a number type.
-	// Allows only numbers (0-9)
+	// Allows only possitive numbers (0-9)
 	// Declaration: /mypath/{myparam:long}
 	ParamTypeLong
+	// ParamTypeBoolean is the bool type.
+	// Allows only "1" or "t" or "T" or "TRUE" or "true" or "True"
+	// or "0" or "f" or "F" or "FALSE" or "false" or "False".
+	// Declaration: /mypath/{myparam:boolean}
+	ParamTypeBoolean
 	// ParamTypeAlphabetical is the  alphabetical/letter type type.
 	// Allows letters only (upper or lowercase)
 	// Declaration:  /mypath/{myparam:alphabetical}
@@ -49,6 +54,7 @@ var paramTypes = map[string]ParamType{
 	"string":       ParamTypeString,
 	"int":          ParamTypeInt,
 	"long":         ParamTypeLong,
+	"boolean":      ParamTypeBoolean,
 	"alphabetical": ParamTypeAlphabetical,
 	"file":         ParamTypeFile,
 	"path":         ParamTypePath,

core/router/macro/interpreter/parser/parser_test.go

@@ -131,6 +131,13 @@ func TestParseParam(t *testing.T) {
 				Type:      ast.ParamTypeLong,
 				ErrorCode: 404,
 			}}, // 8
+		{true,
+			ast.ParamStatement{
+				Src:       "{has:boolean else 404}",
+				Name:      "has",
+				Type:      ast.ParamTypeBoolean,
+				ErrorCode: 404,
+			}}, // 9
 
 	}