How to View Full Length Values in VSCode Debugging for Go Programs?

Debugging Long Values in VSCode

When debugging Go programs in VSCode, one might encounter difficulties viewing the entire value of lengthy variables. By default, the debug mode displays truncated values with the indication "... # more". This can be frustrating when trying to inspect the complete value.

To address this issue, it's possible to configure delve, VSCode's debugging tool, to expand the maximum length of displayed values. This can be achieved by modifying the "go.delveConfig" settings in your VSCode settings.json file.

One important setting to adjust is "maxStringLen". By increasing the value assigned to this parameter, you can allow VSCode to display longer strings without truncation. It's important to set this value reasonably, however, as excessive lengths can slow down the debugging process.

Here's an example of how the updated "go.delveConfig" settings section might look:

"go.delveConfig": {
    "maxStringLen": 400,  // Increase the maximum string length
    "maxArrayValues": 400, // Adjust this value if you want to display more array elements
    "maxStructFields": -1  // Set to -1 to display all struct fields
}

By adjusting these settings, you can overcome the limitation of truncated values in the VSCode debug mode and gain access to the full contents of your variables, enabling a more comprehensive debugging experience.

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