Enum StringCase 

pub enum StringCase {
    Lower,
    Upper,
    Title,
    Original,
}

How a month name was capitalized in the text a date was typed as.

A format code cannot carry casing, so this rides alongside DateFormat::to_format_code and is lost on a round trip through a worksheet – as it is in Excel.

Variants

Lower

All lowercase, as in 22-jun-2026.

Upper

All uppercase, as in 22-JUN-2026.

Title

Leading capital, rest lowercase: 22-Jun-2026. The default.

Original

Mixed in some other way; rendered as the canonical title case.

Trait Implementations

impl Clone for StringCase

fn clone(&self) -> StringCase

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for StringCase

impl Debug for StringCase

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for StringCase

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for StringCase

impl PartialEq for StringCase

fn eq(&self, other: &StringCase) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for StringCase

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for StringCase