Struct mz_repr::explain::tracing::ExtractStr

struct ExtractStr {
    key: &'static str,
    val: Option<String>,
}

Helper struct that implements field::Visit and is used in the GetStr::get_str implementation for span::Attributes.

Fields

key: &'static str

val: Option<String>

Implementations

impl ExtractStr

fn new(key: &'static str) -> Self

fn val(self) -> Option<String>

Trait Implementations

impl Visit for ExtractStr

fn record_str(&mut self, field: &Field, value: &str)

Visit a string value.

fn record_debug(&mut self, field: &Field, value: &dyn Debug)

Visit a value implementing fmt::Debug.

fn record_f64(&mut self, field: &Field, value: f64)

Visit a double-precision floating point value.

fn record_i64(&mut self, field: &Field, value: i64)

Visit a signed 64-bit integer value.

fn record_u64(&mut self, field: &Field, value: u64)

Visit an unsigned 64-bit integer value.

fn record_i128(&mut self, field: &Field, value: i128)

Visit a signed 128-bit integer value.

fn record_u128(&mut self, field: &Field, value: u128)

Visit an unsigned 128-bit integer value.

fn record_bool(&mut self, field: &Field, value: bool)

Visit a boolean value.

fn record_error(&mut self, field: &Field, value: &(dyn Error + 'static))

Records a type implementing Error.