Use Decodable instead of Decoder

Author: propensive

src/core/guillotine.ExecEvent.scala

@@ -22,7 +22,6 @@ import anticipation.*
 import contextual.*
 import fulminate.*
 import gossamer.*
-import rudiments.*
 import spectacular.*
 
 object ExecEvent:

src/core/guillotine.OsProcess.scala

@@ -22,7 +22,6 @@ import anticipation.*
 import contingency.*
 import prepositional.*
 import proscenium.*
-import rudiments.*
 import vacuous.*
 
 object OsProcess:

src/core/guillotine.Parameterizable.scala

@@ -22,7 +22,6 @@ import compiletime.summonFrom
 
 import anticipation.*
 import prepositional.*
-import spectacular.*
 
 object Parameterizable:
   given [ValueType: Encodable in Text] => ValueType is Parameterizable:

src/core/guillotine.Pid.scala

@@ -0,0 +1,35 @@
+/*
+    Rudiments, version 0.26.0. Copyright 2025 Jon Pretty, Propensive OÜ.
+
+    The primary distribution site is: https://propensive.com/
+
+    Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
+    file except in compliance with the License. You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software distributed under the
+    License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+    either express or implied. See the License for the specific language governing permissions
+    and limitations under the License.
+*/
+
+package guillotine
+
+import language.experimental.captureChecking
+
+import anticipation.*
+import contingency.*
+import fulminate.*
+import prepositional.*
+import spectacular.*
+
+object Pid:
+  given Pid is Communicable = pid => Message(pid.toString.tt)
+  given Pid is Encodable in Text = _.toString.tt
+
+  given Tactic[NumberError] => Pid is Decodable in Text = text =>
+    try Pid(text.s.toLong) catch case error: Exception => abort(NumberError(text, Int))
+
+case class Pid(value: Long):
+  override def toString(): String = "\u21af"+value

src/core/guillotine.PidError.scala

@@ -18,7 +18,6 @@ package guillotine
 
 import anticipation.*
 import fulminate.*
-import rudiments.*
 
 case class PidError(pid: Pid)(using Diagnostics)
 extends Error(m"the process with PID ${pid.value} is not running")

src/core/guillotine.ProcessRef.scala

@@ -18,7 +18,6 @@ package guillotine
 
 import anticipation.*
 import prepositional.*
-import rudiments.*
 import vacuous.*
 
 trait ProcessRef: