ch08

dz / grokking_simplicity / ch08

Summary

Grokking Simplicity Chapter 8: Stratified Design: Part 1

Node Tree

• call_graph
  • call_graph_arrows
    • arrows_same_length
      • intermediate_functions
      • remove_shorten_arrows
  • call_graph_detail_clues
    • extract_function_generalize
      • general_function_reusable
        • clarify_implementation
          • serendipitousre-use
• stratified_design
  • abstraction_barrier
  • comfortable_layers
  • minimal_interface
  • single_level_detail
    • call_graph_detail_clues
      • extract_function_generalize
        • general_function_reusable
          • clarify_implementation
            • serendipitousre-use
    • clear_code
    • target_detail_level
  • software_in_layers
    • comfortable_layers
    • same_layer_same_purpose
  • straightforward_implementation
  • target_detail_level
• zoom_levels

Nodes

stratified_design
content	Stratified Design
children	abstraction_barrier, comfortable_layers, minimal_interface, single_level_detail, software_in_layers, straightforward_implementation, target_detail_level

software_in_layers
content	Software in layers
children	comfortable_layers, same_layer_same_purpose
parents	stratified_design

straightforward_implementation
content	Straightforward implementation
parents	stratified_design

abstraction_barrier
content	Abstraction Barrier
parents	stratified_design

minimal_interface
content	Minimal Interface
parents	stratified_design

comfortable_layers
content	Comfortable Layers
parents	stratified_design, software_in_layers

call_graph
content	Call Graph: visualize what function calls or language features a function uses
children	call_graph_arrows, call_graph_detail_clues

same_layer_same_purpose
content	All functions in a layer should serve the same purpose
parents	software_in_layers

zoom_levels
content	zoom levels: global, layer, function

call_graph_arrows
content	In Call Graph, use of arrows at layer level to indicate what functions are called
children	arrows_same_length (ideal for arrows in callgraph)
parents	call_graph

arrows_same_length
content	Ideal: make arrows the same length
children	intermediate_functions, remove_shorten_arrows
parents	call_graph_arrows

intermediate_functions
content	can be done with the use of intermediate functions
parents	arrows_same_length

remove_shorten_arrows
content	remove or shorten arrows
parents	arrows_same_length

single_level_detail
content	Solves a problem at a single level of detail
children	call_graph_detail_clues, clear_code, target_detail_level
parents	stratified_design

clear_code
content	Clear Code
parents	single_level_detail

target_detail_level
content	Stratified Design helps target specific level of detail
parents	stratified_design, single_level_detail

call_graph_detail_clues
content	Call Graph gives clues about level of detail
children	extract_function_generalize
parents	call_graph, single_level_detail

extract_function_generalize
content	Extracting a function yields a more general function
children	general_function_reusable
parents	call_graph_detail_clues

general_function_reusable
content	general functions are more re-usable
children	clarify_implementation
parents	extract_function_generalize

clarify_implementation
content	Not done to deduplicate code, but to clarify implementation.
children	serendipitousre-use
parents	general_function_reusable

serendipitousre-use
content	"serendipitous re-use"
parents	clarify_implementation