add is-xyz functions

is.go

@@ -0,0 +1,113 @@
+package record
+
+func (r Record) IsBool(column string) bool {
+	if t, ok := r.TypeOf(column); ok {
+		return t.Name() == "bool"
+	}
+
+	return false
+}
+
+func (r Record) IsByte(column string) bool {
+	if t, ok := r.TypeOf(column); ok {
+		return t.Name() == "byte" || t.Name() == "uint8"
+	}
+
+	return false
+}
+
+func (r Record) IsFloat32(column string) bool {
+	if t, ok := r.TypeOf(column); ok {
+		return t.Name() == "float32"
+	}
+
+	return false
+}
+
+func (r Record) IsFloat64(column string) bool {
+	if t, ok := r.TypeOf(column); ok {
+		return t.Name() == "float64"
+	}
+
+	return false
+}
+
+func (r Record) IsInt(column string) bool {
+	if t, ok := r.TypeOf(column); ok {
+		return t.Name() == "int"
+	}
+
+	return false
+}
+
+func (r Record) IsInt16(column string) bool {
+	if t, ok := r.TypeOf(column); ok {
+		return t.Name() == "int16"
+	}
+
+	return false
+}
+
+func (r Record) IsInt32(column string) bool {
+	if t, ok := r.TypeOf(column); ok {
+		return t.Name() == "int32"
+	}
+
+	return false
+}
+
+func (r Record) IsInt64(column string) bool {
+	if t, ok := r.TypeOf(column); ok {
+		return t.Name() == "int64"
+	}
+
+	return false
+}
+
+func (r Record) IsString(column string) bool {
+	if t, ok := r.TypeOf(column); ok {
+		return t.Name() == "string"
+	}
+
+	return false
+}
+
+func (r Record) IsUint(column string) bool {
+	if t, ok := r.TypeOf(column); ok {
+		return t.Name() == "uint"
+	}
+
+	return false
+}
+
+func (r Record) IsUint8(column string) bool {
+	if t, ok := r.TypeOf(column); ok {
+		return t.Name() == "byte" || t.Name() == "uint8"
+	}
+
+	return false
+}
+
+func (r Record) IsUint16(column string) bool {
+	if t, ok := r.TypeOf(column); ok {
+		return t.Name() == "uint16"
+	}
+
+	return false
+}
+
+func (r Record) IsUint32(column string) bool {
+	if t, ok := r.TypeOf(column); ok {
+		return t.Name() == "uint32"
+	}
+
+	return false
+}
+
+func (r Record) IsUint64(column string) bool {
+	if t, ok := r.TypeOf(column); ok {
+		return t.Name() == "uint64"
+	}
+
+	return false
+}