Basechain
  • About Basechain
  • Base BigBang Language
    • Introduction
    • 1. Getting started
      • 1.1 Installing BigBangNet
      • 1.2 BigBang basics
    • 2. Type
      • 2.1 Primitives
      • 2.2 Sequences
      • 2.3 Composites
    • 3. Keywords
    • 4. Storing data
      • 4.1 Constants
      • 4.2 Variables
      • 4.3 Maps
    • 5. Functions
      • 5.1 Public functions
      • 5.2 Private functions
      • 5.3 Read-only functions
  • 6. Control flow & error handling
    • 6.1 Asserts
    • 6.2 Try
    • 6.3 Unwrap flavours
    • 6.4 Response checking
  • 7. Using BigBangNet
    • 7.1 Creating a new project
    • 7.2 Writing your first contract
    • 7.3 Interacting with your contract
    • 7.4 Testing your contract
  • 8. Practice projects
    • 8.1 Time-locked wallet
    • 8.2 Smart claimant
    • 8.3 Multi-signature vault
  • 9. Traits
    • 9.1 Defining traits
    • 9.2 Implement traits
    • 9.3 Passing traits as arguments
  • 10. Building a marketplace
    • 10.1 Setup
    • 10.2 Listing & cancelling
    • 10.3 Fulfilling listings
    • 10.4 Uni tests
  • 11. Runtime cost analysis
  • Nodes & Miners
    • Run a Node with Docker
    • Run a Node with DigitalOcean
    • Run a Node with a Hosted Provider
    • Base Node Configuration
    • Mine testnet Base tokens
    • Verify Miner
    • Miner costs and fees
  • Website
  • X(Twitter)
  • Github
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  1. Base BigBang Language
  2. 4. Storing data

4.1 Constants

Constants are data members that cannot be changed once they are defined. They are useful for defining concrete configuration values, error codes, and other purposes.

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Last updated 1 year ago