final case class First(child: Node) extends UnaryNode with SimplyTypedNode with ClientSideOp with Product with Serializable
Get the first element of a collection. For client-side operations only.
- Source
- ClientSideOp.scala
- Alphabetic
- By Inheritance
- First
- Serializable
- Product
- Equals
- ClientSideOp
- SimplyTypedNode
- UnaryNode
- Node
- Dumpable
- AnyRef
- Any
- by StringFormat
- by Ensuring
- by ArrowAssoc
- Hide All
- Show All
- Public
- Protected
Type Members
- type Self = First
- Definition Classes
- First → SimplyTypedNode → Node
Value Members
- final def !=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def ##: Int
- Definition Classes
- AnyRef → Any
- def ->[B](y: B): (First, B)
- final def :@(newType: Type): Self
Return this Node with a Type assigned (if no other type has been seen for it yet) or a typed copy.
Return this Node with a Type assigned (if no other type has been seen for it yet) or a typed copy.
- Definition Classes
- Node
- final def ==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def asInstanceOf[T0]: T0
- Definition Classes
- Any
- final def buildCopy: Self
Build a copy of this node with the current children.
- def buildType: Type
- Attributes
- protected
- Definition Classes
- First → SimplyTypedNode
- val child: Node
- def childNames: Iterable[String]
Names for the child nodes to show in AST dumps.
Names for the child nodes to show in AST dumps. Defaults to a numbered sequence starting at 0 but can be overridden by subclasses to produce more suitable names.
- Definition Classes
- Node
- lazy val children: ConstArray[Node]
All child nodes of this node.
- final def childrenForeach[R](f: (Node) => R): Unit
Apply a side-effecting function to all direct children from left to right.
- def clone(): AnyRef
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.CloneNotSupportedException]) @HotSpotIntrinsicCandidate() @native()
- def ensuring(cond: (First) => Boolean, msg: => Any): First
- def ensuring(cond: (First) => Boolean): First
- def ensuring(cond: Boolean, msg: => Any): First
- def ensuring(cond: Boolean): First
- final def eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- final def getClass(): Class[_ <: AnyRef]
- Definition Classes
- AnyRef → Any
- Annotations
- @HotSpotIntrinsicCandidate() @native()
- def getDumpInfo: DumpInfo
Return the name, main info, attribute info and named children
- def hasType: Boolean
Check if this node has a type without marking the type as seen.
Check if this node has a type without marking the type as seen.
- Definition Classes
- Node
- final def infer(scope: Scope = Map.empty, typeChildren: Boolean = false): Self
Rebuild this node and all children with their computed type.
Rebuild this node and all children with their computed type. If this node already has a type, the children are only type-checked again if
typeChildrenretype- Definition Classes
- Node
- final def isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- final def mapChildren(f: (Node) => Node, keepType: Boolean = false): Self
Apply a mapping function to all children of this node and recreate the node with the new children.
- final def ne(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- def nodeMapServerSide(keepType: Boolean, r: (Node) => Node): Self
- Definition Classes
- First → ClientSideOp
- def nodeType: Type
The current type of this node.
The current type of this node.
- Definition Classes
- Node
- final def notify(): Unit
- Definition Classes
- AnyRef
- Annotations
- @HotSpotIntrinsicCandidate() @native()
- final def notifyAll(): Unit
- Definition Classes
- AnyRef
- Annotations
- @HotSpotIntrinsicCandidate() @native()
- def peekType: Type
Get the current type of this node for debug output without marking it as seen.
Get the current type of this node for debug output without marking it as seen.
- Attributes
- protected[this]
- Definition Classes
- Node
- def productElementNames: Iterator[String]
- Definition Classes
- Product
- def rebuild(ch: Node): Self
- final def rebuild(ch: ConstArray[Node]): Self
Rebuild this node with a new list of children.
- def self: Self
- final def synchronized[T0](arg0: => T0): T0
- Definition Classes
- AnyRef
- final def toString(): String
- Definition Classes
- Node → AnyRef → Any
- final def untyped: Self
Return this Node with no Type assigned (if it has not yet been observed) or an untyped copy.
Return this Node with no Type assigned (if it has not yet been observed) or an untyped copy.
- Definition Classes
- Node
- final def wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException]) @native()
- final def wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def withChildren(ch2: ConstArray[Node]): Self
Rebuild this node with new child nodes unless all children are identical to the current ones, in which case this node is returned.
Rebuild this node with new child nodes unless all children are identical to the current ones, in which case this node is returned.
- Definition Classes
- Node
- final def withInferredType(scope: Scope, typeChildren: Boolean): Self
- Definition Classes
- SimplyTypedNode → Node
Deprecated Value Members
- def finalize(): Unit
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.Throwable]) @Deprecated
- Deprecated
(Since version 9)
- def formatted(fmtstr: String): String
- Implicit
- This member is added by an implicit conversion from First toStringFormat[First] performed by method StringFormat in scala.Predef.
- Definition Classes
- StringFormat
- Annotations
- @deprecated @inline()
- Deprecated
(Since version 2.12.16) Use
formatString.format(value)instead ofvalue.formatted(formatString), or use thef""string interpolator. In Java 15 and later,formattedresolves to the new method in String which has reversed parameters.
- def →[B](y: B): (First, B)
- Implicit
- This member is added by an implicit conversion from First toArrowAssoc[First] performed by method ArrowAssoc in scala.Predef.
- Definition Classes
- ArrowAssoc
- Annotations
- @deprecated
- Deprecated
(Since version 2.13.0) Use
->instead. If you still wish to display it as one character, consider using a font with programming ligatures such as Fira Code.
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Scala Language-Integrated Connection Kit
This is the API documentation for the Slick database library. It should be used as an additional resource to the user manual.
Further documentation for Slick can be found on the documentation pages.
To the slick package list...