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Pre: define Display for ValueType.

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This commit is contained in:
Richard Newman 2017-04-17 21:09:45 -07:00
parent 8ddbc834ae
commit 01af45ab3f
1 changed files with 23 additions and 8 deletions
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31
core/src/lib.rs
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@ -17,6 +17,7 @@ extern crate edn;
pub mod values; pub mod values;
use std::collections::BTreeMap; use std::collections::BTreeMap;
use std::fmt;
use std::rc::Rc; use std::rc::Rc;
use self::ordered_float::OrderedFloat; use self::ordered_float::OrderedFloat;
use self::edn::NamespacedKeyword; use self::edn::NamespacedKeyword;
@ -44,19 +45,33 @@ pub enum ValueType {
} }
impl ValueType { impl ValueType {
pub fn to_edn_value(&self) -> edn::Value { pub fn to_edn_value(self) -> edn::Value {
match self { match self {
&ValueType::Ref => values::DB_TYPE_REF.clone(), ValueType::Ref => values::DB_TYPE_REF.clone(),
&ValueType::Boolean => values::DB_TYPE_BOOLEAN.clone(), ValueType::Boolean => values::DB_TYPE_BOOLEAN.clone(),
&ValueType::Instant => values::DB_TYPE_INSTANT.clone(), ValueType::Instant => values::DB_TYPE_INSTANT.clone(),
&ValueType::Long => values::DB_TYPE_LONG.clone(), ValueType::Long => values::DB_TYPE_LONG.clone(),
&ValueType::Double => values::DB_TYPE_DOUBLE.clone(), ValueType::Double => values::DB_TYPE_DOUBLE.clone(),
&ValueType::String => values::DB_TYPE_STRING.clone(), ValueType::String => values::DB_TYPE_STRING.clone(),
&ValueType::Keyword => values::DB_TYPE_KEYWORD.clone(), ValueType::Keyword => values::DB_TYPE_KEYWORD.clone(),
} }
} }
} }
impl fmt::Display for ValueType {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", match *self {
ValueType::Ref => "db.type/ref",
ValueType::Boolean => "db.type/boolean",
ValueType::Instant => "db.type/instant",
ValueType::Long => "db.type/long",
ValueType::Double => "db.type/double",
ValueType::String => "db.type/string",
ValueType::Keyword => "db.type/keyword",
})
}
}
/// Represents a Mentat value in a particular value set. /// Represents a Mentat value in a particular value set.
// TODO: expand to include :db.type/{instant,url,uuid}. // TODO: expand to include :db.type/{instant,url,uuid}.
// TODO: BigInt? // TODO: BigInt?