fieldalignment of all structs to save memory

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

util/router/compile.go

@@ -8,18 +8,18 @@ const (
 
 // Template is a compiled representation of path templates.
 type Template struct {
-	// Version is the version number of the format.
-	Version int
-	// OpCodes is a sequence of operations.
+	// Verb is a VERB part in the template
+	Verb string
+	// Original template (example: /v1/a_bit_of_everything)
+	Template string
+	// OpCodes is a sequence of operations
 	OpCodes []int
 	// Pool is a constant pool
 	Pool []string
-	// Verb is a VERB part in the template.
-	Verb string
-	// Fields is a list of field paths bound in this template.
+	// Fields is a list of field paths bound in this template
 	Fields []string
-	// Original template (example: /v1/a_bit_of_everything)
-	Template string
+	// Version is the version number of the format
+	Version int
 }
 
 // Compiler compiles utilities representation of path templates into marshallable operations.
@@ -29,14 +29,8 @@ type Compiler interface {
 }
 
 type op struct {
-	// code is the opcode of the operation
-	code OpCode
-
-	// str is a string operand of the code.
-	// operand is ignored if str is not empty.
-	str string
-
-	// operand is a numeric operand of the code.
+	str     string
+	code    OpCode
 	operand int
 }
 

util/router/router.go

@@ -6,8 +6,8 @@ import (
 )
 
 type apiRouter struct {
-	routes []router.Route
 	router.Router
+	routes []router.Route
 }
 
 func (r *apiRouter) Lookup(...router.QueryOption) ([]router.Route, error) {

util/router/runtime.go

@@ -25,9 +25,10 @@ type rop struct {
 
 // Pattern is a template pattern of http request paths defined in github.com/googleapis/googleapis/google/api/http.proto.
 type Pattern struct {
+	verb string
 	// ops is a list of operations
 	ops []rop
-	// pool is a constant pool indexed by the operands or vars.
+	// pool is a constant pool indexed by the operands or vars
 	pool []string
 	// vars is a list of variables names to be bound by this pattern
 	vars []string
@@ -35,8 +36,6 @@ type Pattern struct {
 	stacksize int
 	// tailLen is the length of the fixed-size segments after a deep wildcard
 	tailLen int
-	// verb is the VERB part of the path pattern. It is empty if the pattern does not have VERB part.
-	verb string
 	// assumeColonVerb indicates whether a path suffix after a final
 	// colon may only be interpreted as a verb.
 	assumeColonVerb bool

util/router/types.go

@@ -8,9 +8,9 @@ import (
 )
 
 type template struct {
-	segments []segment
 	verb     string
 	template string
+	segments []segment
 }
 
 type segment interface {