StringConverter

Description

The StringConverter class allows you to convert arbitrary values into strings using the following extended conversion rules:

• Numbers: are converted with ‘.’ as decimal point
• DateTime: using ISO format
• Boolean: “true” for true and “false” for false
• Arrays: as comma-separated list
• Other objects: using ToString() method

Methods

ToNullableString

Converts a value into a string or returns nil when the value is nil.

ToNullableString(value any) (string, bool)

• value: any - value to convert.
• returns: (string, bool) - string value and true or "" and false when value is null.

ToString

Converts a value into a string or returns "" when the value is nil.

ToString(value any) string

• value: any - value to convert.
• returns: string - string value or "" when value is nil.

ToStringWithDefault

Converts a value into a string or returns a default value when the value is nil.

ToStringWithDefault(value any, defaultValue string) string

• value: any - value to convert.
• defaultValue: string - default value.
• returns: string - string value or default value when value is nil.

Examples

value1, ok1 = convert.StringConverter.ToString(123.456)
value2, ok2 = convert.StringConverter.ToString(true)
value3, ok3 = convert.StringConverter.ToString(time.Now())
value4, ok4 = convert.StringConverter.ToString([...]int{1, 2, 3})
fmt.Println(value1, ok1) // 123.456, true
fmt.Println(value2, ok2) // true, true
fmt.Println(value3, ok3) // 2019-08-20T23:54:47+03:00, true
fmt.Println(value4, ok4) // 1,2,3, true