class ExternalToolHook extends AnyRef
This is an external tool hook, it allows an external tool such as YourKit or JProfiler to instrument a particular phase of the compiler. Profilers have hooks to allow starting and stopping profiling on a given method invocation.
To use add -Yprofile-external-tool (defaults to typer) or -Yprofile-external-tool:<phase> (for a specific compiler phase) to the compiler flags.
'before' will be called at the start of the target phase and 'after' at the end, allowing custom profiling to be triggered.
- Source
- ExternalToolHook.java
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- This member is added by an implicit conversion from ExternalToolHook toany2stringadd[ExternalToolHook] performed by method any2stringadd in scala.Predef.
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- def ->[B](y: B): (ExternalToolHook, B)
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- This member is added by an implicit conversion from ExternalToolHook toArrowAssoc[ExternalToolHook] performed by method ArrowAssoc in scala.Predef.
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- def ensuring(cond: (ExternalToolHook) => Boolean, msg: => Any): ExternalToolHook
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- This member is added by an implicit conversion from ExternalToolHook toEnsuring[ExternalToolHook] performed by method Ensuring in scala.Predef.
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- def ensuring(cond: (ExternalToolHook) => Boolean): ExternalToolHook
- Implicit
- This member is added by an implicit conversion from ExternalToolHook toEnsuring[ExternalToolHook] performed by method Ensuring in scala.Predef.
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- def ensuring(cond: Boolean, msg: => Any): ExternalToolHook
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- This member is added by an implicit conversion from ExternalToolHook toEnsuring[ExternalToolHook] performed by method Ensuring in scala.Predef.
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- def ensuring(cond: Boolean): ExternalToolHook
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- This member is added by an implicit conversion from ExternalToolHook toEnsuring[ExternalToolHook] performed by method Ensuring in scala.Predef.
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- def formatted(fmtstr: String): String
- Implicit
- This member is added by an implicit conversion from ExternalToolHook toStringFormat[ExternalToolHook] performed by method StringFormat in scala.Predef.
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(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): (ExternalToolHook, B)
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- This member is added by an implicit conversion from ExternalToolHook toArrowAssoc[ExternalToolHook] performed by method ArrowAssoc in scala.Predef.
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(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.
The Scala compiler and reflection APIs.