go(report/gen,tmpl): use more meaningful var names

report/gen.go

@@ -14,7 +14,8 @@ import (
 )
 
 func main() {
-	columns := []string{
+	// colAlign sets the alignment of latex table columns.
+	colAlign := []string{
 		"l",
 		"c",
 		"c",
@@ -30,7 +31,7 @@ func main() {
 		-4.466,
 		66.0008,
 	}
-	topics := []string{
+	colNames := []string{
 		"func name",
 		"min",
 		"max",
@@ -55,14 +56,14 @@ func main() {
 
 	err = reportTemplate.Execute(f, struct {
 		Timestamp time.Time
-		Topics    []string
+		ColNames  []string
 		Results   []float64
-		Columns   []string
+		ColAlign  []string
 	}{
 		Timestamp: time.Now(),
-		Topics:    topics,
+		ColNames:  colNames,
 		Results:   results,
-		Columns:   columns,
+		ColAlign:  colAlign,
 	})
 	if err != nil {
 		log.Println(err)

report/report.tmpl

@@ -6,8 +6,8 @@
 % This file is a part of the math-optim project.
 % project homepage: https://git.dotya.ml/wanderer/math-optim/
 
-\begin{tabular}{ ||{{- range $i, $v := .Columns }}{{$v}}| {{- end}}| }
+\begin{tabular}{ ||{{- range $i, $v := .ColAlign }}{{$v}}| {{- end}}| }
-  {{ range $i, $v := .Topics }}{{$v }} & {{ end}}\\
+  {{ range $i, $v := .ColNames }}{{$v }} & {{ end}}\\
 {{- range .Results }}
   {{ printf "%f &" . }} \\
 {{- end }}