From f4bf90739049b7d0c19c79b2285be0f61b2e2156 Mon Sep 17 00:00:00 2001
From: Silvan Jegen <s.jegen@gmail.com>
Date: Wed, 22 Feb 2017 20:09:37 +0100
Subject: Update code

We also remove a less important slide.
---
 stasherpresent.slide | 120 +++++++++++++++++++++------------------------------
 1 file changed, 50 insertions(+), 70 deletions(-)

diff --git a/stasherpresent.slide b/stasherpresent.slide
index f9e7aba..1d99181 100644
--- a/stasherpresent.slide
+++ b/stasherpresent.slide
@@ -96,9 +96,11 @@ Code available at
 
 * Implementation
 
-1. Interfaces
-2. Manager
-3. Especially unfinished stuff: error handling, config parser and the Registry
+- Interfaces
+- Manager
+- Error handling
+- Config parser
+- Registry
 
 
 * Interfaces
@@ -134,64 +136,60 @@ manager/manager.go
 * Manager
 
 	func (m *Manager) Run() {
-	        var wg sync.WaitGroup
-	        ic := m.Input.Start()
-	        for w := range ic {
-	                if w.Error() != nil {
-	                        fmt.Printf("Got an error when getting Work input: %q\n", w.Error())
-	                        continue
-	                }
-	                wg.Add(1)
-	                go func(w *work.Work) {
-	                        nw := m.Filter.Filter(w)
-	                        err := nw.Error()
-	                        if err != nil {
-	                                fmt.Printf("Got an error when filtering Work: %q\n", err)
-	                        }
-	                        err = m.Output.Output(nw)
-	                        if err != nil {
-	                                fmt.Printf("Got an error when outputting Work: %q\n", err)
-	                        }
-	                        wg.Done()
-	                }(w)
-	        }
-	        wg.Wait()
+		var wg sync.WaitGroup
+		ic := m.Input.Start()
+		for w := range ic {
+			if w.Error() != nil {
+				fmt.Printf("Got an error when getting Work input: %q\n", w.Error())
+				continue
+			}
+			wg.Add(1)
+			go func(w *work.Work) {
+				defer wg.Done()
+				nw := m.Filter.Filter(w)
+				err := nw.Error()
+				if err != nil {
+					fmt.Printf("Got an error when filtering Work: %q\n", err)
+					return
+				}
+				err = m.Output.Output(nw)
+				if err != nil {
+					fmt.Printf("Got an error when outputting Work: %q\n", err)
+				}
+			}(w)
+		}
+		wg.Wait()
 	}
 
 
-* Main advantages over shell script
-
-- Error handling
-- Declarative config
-
-
 * Error handling
 
-        for w := range ic {
-                if w.Error() != nil {
-                        fmt.Printf("Got an error when getting Work input: %q\n", w.Error())
-                        continue
-                }
-                wg.Add(1)
-                go func(w *work.Work) {
-                        nw := m.Filter.Filter(w)
-                        err := nw.Error()
-                        if err != nil {
-                                fmt.Printf("Got an error when filtering Work: %q\n", err)
-                        }
-                        err = m.Output.Output(nw)
-                        if err != nil {
-                                fmt.Printf("Got an error when outputting Work: %q\n", err)
-                        }
-                        wg.Done()
-                }(w)
-        }
+	for w := range ic {
+		if w.Error() != nil {
+			fmt.Printf("Got an error when getting Work input: %q\n", w.Error())
+			continue
+		}
+		wg.Add(1)
+		go func(w *work.Work) {
+			defer wg.Done()
+			nw := m.Filter.Filter(w)
+			err := nw.Error()
+			if err != nil {
+				fmt.Printf("Got an error when filtering Work: %q\n", err)
+				return
+			}
+			err = m.Output.Output(nw)
+			if err != nil {
+				fmt.Printf("Got an error when outputting Work: %q\n", err)
+			}
+		}(w)
+	}
 
 
 * Config parser
 
-- Currently only supports string literals (no arrays)
 - Hand-written parser
+- Currently only supports string literals (no arrays)
 - Uses the Registry to get the modules
 
 
@@ -215,24 +213,6 @@ input/http/http.go
 	}
 
 
-* Registry
-
-conf/init.go
-
-	import (
-	        // Initialize the different modules. By importing them in this
-	        // way, their constructors are registered in the registry.
-	        _ "github.com/Shugyousha/stasher/input/http"
-	        _ "github.com/Shugyousha/stasher/input/stdin"
-
-	        _ "github.com/Shugyousha/stasher/filter/http"
-	        _ "github.com/Shugyousha/stasher/filter/str"
-
-	        _ "github.com/Shugyousha/stasher/output/http"
-	        _ "github.com/Shugyousha/stasher/output/stdout"
-	)
-
-
 * Implemented modules
 
 - input: stdin, http
@@ -255,5 +235,5 @@ conf/init.go
 - Generality and error handling
 - Use HTTP for everything?
 - Level of "declarativeness" in the configuration
-- Still better off with shell scripts?
+- Still better off with shell scripts and pipes?
 
-- 
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